Meyer, Katrin Mareike

[["dc.bibliographiccitation.firstpage","1539"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Biological Reviews"],["dc.bibliographiccitation.lastpage","1569"],["dc.bibliographiccitation.volume","92"],["dc.contributor.author","Dislich, Claudia"],["dc.contributor.author","Keyel, Alexander C."],["dc.contributor.author","Salecker, Jan"],["dc.contributor.author","Kisel, Yael"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Auliya, Mark"],["dc.contributor.author","Barnes, Andrew D."],["dc.contributor.author","Corre, Marife D."],["dc.contributor.author","Darras, Kevin"],["dc.contributor.author","Faust, Heiko"],["dc.contributor.author","Hess, Bastian"],["dc.contributor.author","Klasen, Stephan"],["dc.contributor.author","Knohl, Alexander"],["dc.contributor.author","Kreft, Holger"],["dc.contributor.author","Meijide, Ana"],["dc.contributor.author","Nurdiansyah, Fuad"],["dc.contributor.author","Otten, Fenna"],["dc.contributor.author","Pe'er, Guy"],["dc.contributor.author","Steinebach, Stefanie"],["dc.contributor.author","Tarigan, Suria"],["dc.contributor.author","Tölle, Merja H."],["dc.contributor.author","Tscharntke, Teja"],["dc.contributor.author","Wiegand, Kerstin"],["dc.date.accessioned","2017-09-07T11:44:46Z"],["dc.date.available","2017-09-07T11:44:46Z"],["dc.date.issued","2017"],["dc.description.abstract","Oil palm plantations have expanded rapidly in recent decades. This large-scale land-use change has had great ecological, economic, and social impacts on both the areas converted to oil palm and their surroundings. However, research on the impacts of oil palm cultivation is scattered and patchy, and no clear overview exists. We address this gap through a systematic and comprehensive literature review of all ecosystem functions in oil palm plantations, including several (genetic, medicinal and ornamental resources, information functions) not included in previous systematic reviews. We compare ecosystem functions in oil palm plantations to those in forests, as the conversion of forest to oil palm is prevalent in the tropics. We find that oil palm plantations generally have reduced ecosystem functioning compared to forests: 11 out of 14 ecosystem functions show a net decrease in level of function. Some functions show decreases with potentially irreversible global impacts (e.g. reductions in gas and climate regulation, habitat and nursery functions, genetic resources, medicinal resources, and information functions). The most serious impacts occur when forest is cleared to establish new plantations, and immediately afterwards, especially on peat soils. To variable degrees, specific plantation management measures can prevent or reduce losses of some ecosystem functions (e.g. avoid illegal land clearing via fire, avoid draining of peat, use of integrated pest management, use of cover crops, mulch, and compost) and we highlight synergistic mitigation measures that can improve multiple ecosystem functions simultaneously. The only ecosystem function which increases in oil palm plantations is, unsurprisingly, the production of marketable goods. Our review highlights numerous research gaps. In particular, there are significant gaps with respect to socio-cultural information functions. Further, there is a need for more empirical data on the importance of spatial and temporal scales, such as differences among plantations in different environments, of different sizes, and of different ages, as our review has identified examples where ecosystem functions vary spatially and temporally. Finally, more research is needed on developing management practices that can offset the losses of ecosystem functions. Our findings should stimulate research to address the identified gaps, and provide a foundation for more systematic research and discussion on ways to minimize the negative impacts and maximize the positive impacts of oil palm cultivation."],["dc.identifier.doi","10.1111/brv.12295"],["dc.identifier.fs","621226"],["dc.identifier.gro","3148957"],["dc.identifier.pmid","27511961"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14337"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/5600"],["dc.language.iso","en"],["dc.notes.intern","Wiegand Crossref Import"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation","SFB 990: Ökologische und sozioökonomische Funktionen tropischer Tieflandregenwald-Transformationssysteme (Sumatra, Indonesien)"],["dc.relation","SFB 990 | B | B10: Landschaftsbezogene Bewertung der ökologischen und sozioökonomischen Funktionen von Regenwald- Transformationssystemen in Sumatra (Indonesien)"],["dc.relation.issn","1464-7931"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.relation.orgunit","Wirtschaftswissenschaftliche Fakultät"],["dc.relation.orgunit","Abteilung Bioklimatologie"],["dc.rights","CC BY-NC 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by-nc/4.0/"],["dc.subject.gro","Elaeis guineensis"],["dc.subject.gro","biodiversity"],["dc.subject.gro","ecosystem functions"],["dc.subject.gro","ecosystem services"],["dc.subject.gro","land-use change"],["dc.subject.gro","oil palm"],["dc.subject.gro","sfb990_journalarticles"],["dc.title","A review of the ecosystem functions in oil palm plantations, using forests as a reference system"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1854"],["dc.bibliographiccitation.issue","11"],["dc.bibliographiccitation.journal","Methods in Ecology and Evolution"],["dc.bibliographiccitation.lastpage","1863"],["dc.bibliographiccitation.volume","10"],["dc.contributor.author","Salecker, Jan"],["dc.contributor.author","Sciaini, Marco"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Wiegand, Kerstin"],["dc.date.accessioned","2020-12-10T18:26:41Z"],["dc.date.available","2020-12-10T18:26:41Z"],["dc.date.issued","2019"],["dc.description.abstract","1.Agent-based models find wide application in all fields of science where large scale patterns emerge from properties of individuals. Due to increasing capacities of computing resources it was possible to improve the level of detail and structural realism of next-generation models in recent years. However, this is at the expense of increased model complexity, which requires more efficient tools for model exploration, analysis and documentation that enable reproducibility, repeatability and parallelisation. NetLogo is a widely used environment for agent-based model development, but it does not provide sufficient built-in tools for extensive model exploration, such as sensitivity analyses. One tool for controlling NetLogo externally is the R-package RNetLogo. However, this package is not suited for efficient, reproducible research as it has stability and resource allocation issues, is not straightforward to be setup and used on high performance computing clusters and does not provide utilities, such as storing and exchanging metadata, in an easy way. 2.We present the R-package nlrx, which overcomes stability and resource allocation issues by running NetLogo simulations via dynamically created XML experiment files. Class objects make setting up experiments more convenient and helper functions provide many parameter exploration approaches, such as Latin Hypercube designs, Sobol sensitivity analyses or optimization approaches. Output is automatically collected in user-friendly formats and can be post-processed with provided utility functions. nlrx enables reproducibility by storing all relevant information and simulation output of experiments in one R object which can conveniently be archived and shared. 3.We provide a detailed description of the nlrx package functions and the overall workflow. We also present a use case scenario using a NetLogo model, for which we performed a sensitivity analysis and a genetic algorithm optimization. 4.The nlrx package is the first framework for documentation and application of reproducible NetLogo simulation model analysis."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659"],["dc.identifier.doi","10.1111/2041-210X.13286"],["dc.identifier.issn","2041-210X"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/16518"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/76155"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.notes.intern","Merged from goescholar"],["dc.relation","SFB 990: Ökologische und sozioökonomische Funktionen tropischer Tieflandregenwald-Transformationssysteme (Sumatra, Indonesien)"],["dc.relation","SFB 990 | B | B10: Landschaftsbezogene Bewertung der ökologischen und sozioökonomischen Funktionen von Regenwald- Transformationssystemen in Sumatra (Indonesien)"],["dc.relation.issn","2041-210X"],["dc.relation.orgunit","Zentrum für Biodiversität und Nachhaltige Landnutzung"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.subject.gro","agent-based modelling"],["dc.subject.gro","individual-based modelling"],["dc.subject.gro","reproducible workflow"],["dc.subject.gro","R package"],["dc.subject.gro","NetLogo"],["dc.subject.gro","sfb990_journalarticles"],["dc.title","The nlrx r package: A next‐generation framework for reproducible NetLogo model analyses"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e80352"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Sabatier, Rodolphe"],["dc.contributor.author","Wiegand, Kerstin"],["dc.contributor.author","Meyer, Katrin Mareike"],["dc.date.accessioned","2017-09-07T11:44:43Z"],["dc.date.available","2017-09-07T11:44:43Z"],["dc.date.issued","2013"],["dc.description.abstract","Ecological intensification, i.e. relying on ecological processes to replace chemical inputs, is often presented as the ideal alternative to conventional farming based on an intensive use of chemicals. It is said to both maintain high yield and provide more robustness to the agroecosystem. However few studies compared the two types of management with respect to their consequences for production and robustness toward perturbation. In this study our aim is to assess productive performance and robustness toward diverse perturbations of a Cacao agroecosystem managed with two contrasting groups of strategies: one group of strategies relying on a high level of pesticides and a second relying on low levels of pesticides. We conducted this study using a dynamical model of a Cacao agroecosystem that includes Cacao production dynamics, and dynamics of three insects: a pest (the Cacao Pod Borer, Conopomorpha cramerella) and two characteristic but unspecified beneficial insects (a pollinator of Cacao and a parasitoid of the Cacao Pod Borer). Our results showed two opposite behaviors of the Cacao agroecosystem depending on its management, i.e. an agroecosystem relying on a high input of pesticides and showing low ecosystem functioning and an agroecosystem with low inputs, relying on a high functioning of the ecosystem. From the production point of view, no type of management clearly outclassed the other and their ranking depended on the type of pesticide used. From the robustness point of view, the two types of managements performed differently when subjected to different types of perturbations. Ecologically intensive systems were more robust to pest outbreaks and perturbations related to pesticide characteristics while chemically intensive systems were more robust to Cacao production and management-related perturbation."],["dc.identifier.doi","10.1371/journal.pone.0080352"],["dc.identifier.fs","599770"],["dc.identifier.gro","3148945"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/9510"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/5587"],["dc.language.iso","en"],["dc.notes.intern","Wiegand Crossref Import"],["dc.notes.status","public"],["dc.notes.submitter","chake"],["dc.relation.issn","1932-6203"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights.access","openAccess"],["dc.title","Production and Robustness of a Cacao Agroecosystem: Effects of Two Contrasting Types of Management Strategies"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","563"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","Basic and Applied Ecology"],["dc.bibliographiccitation.lastpage","571"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Schiffers, Katja H."],["dc.contributor.author","Muenkemueller, Tamara"],["dc.contributor.author","Schaedler, Martin"],["dc.contributor.author","Calabrese, Justin M."],["dc.contributor.author","Basset, Alberto"],["dc.contributor.author","Breulmann, Marc"],["dc.contributor.author","Duquesne, Sabine"],["dc.contributor.author","Hidding, Bert"],["dc.contributor.author","Huth, Andreas"],["dc.contributor.author","Schoeb, Christian"],["dc.contributor.author","van de Voorde, Tess F. J."],["dc.date.accessioned","2018-11-07T08:47:07Z"],["dc.date.available","2018-11-07T08:47:07Z"],["dc.date.issued","2010"],["dc.description.abstract","When investigating complex ecological dynamics at the population or community level, we necessarily need to abstract and aggregate ecological information. The way in which information is aggregated may be crucial for the outcome of the study. In this paper, we suggest that in addition to the traditional spatial, temporal and organizational levels, we need a more flexible framework linking ecological processes, study objects and types of aggregation. We develop such a framework and exemplify the most commonly used types of aggregation and their potential influence on identifiable drivers of community dynamics. We also illustrate strategies to narrow down the range of possible aggregation types for a particular study. With this approach, we hope (i) to clarify the function of aggregation types as related to traditional ecological levels and (ii) to raise the awareness of how important a deliberate way of aggregating ecological information is for a sound and reliable outcome of any empirical or theoretical ecological study."],["dc.identifier.doi","10.1016/j.baae.2010.08.001"],["dc.identifier.isi","000286795300002"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20866"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1439-1791"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.subject.gro","Body size class"],["dc.subject.gro","Functional type"],["dc.subject.gro","Genotype"],["dc.subject.gro","Organizational level"],["dc.subject.gro","Pattern-process relationship"],["dc.subject.gro","Phenotype"],["dc.subject.gro","Scales"],["dc.subject.gro","Species"],["dc.subject.gro","Study design"],["dc.subject.gro","Trophic guild"],["dc.title","Predicting population and community dynamics: The type of aggregation matters"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","111"],["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Hol, W. H. Gera"],["dc.contributor.author","Raaijmakers, Ciska E."],["dc.contributor.author","Mons, Ilse"],["dc.contributor.author","Meyer, Katrin Mareike"],["dc.contributor.author","van Dam, Nicole M."],["dc.date.accessioned","2018-11-07T10:18:16Z"],["dc.date.available","2018-11-07T10:18:16Z"],["dc.date.issued","2016"],["dc.description.abstract","Empirical studies have shown that belowground feeding herbivores can affect the performance of aboveground herbivores in different ways. Often the critical life-history parameters underlying the observed performance effects remain unexplored. In order to better understand the cause for the observed effects on aboveground herbivores, these ecological mechanisms must be better understood. In this study we combined empirical experiments with a modeling approach to analyze the effect of two root feeding endoparasitic nematodes with different feeding strategies on the population growth of the aboveground feeding specialist aphid Breyicoryne brassicae on Brassica nigra. The aim was to test whether emerging differences in life history characteristics (days until reproduction, daily reproduction) would be sufficient to explain observed differences in aphid population development on plants with and without two species of nematodes. Aphid numbers were lower on plants with Pratylenchus penetrans in comparison to aphid numbers on plants with Meloidogyne spp. A dedicated experiment showed that aphid daily reproduction was lower on plants with P penetrans (3.08 offspring female(-1) day(-1)) in comparison to both uninfested plants and plants with Meloidogyne spp. (3.50 offspring female(-1) day(-1)). The species-specific reduction of aphid reproduction appeared independent of changes in amino acids, soluble sugars or the glucosinolate sinigrin in the phloem. An individual-based model revealed that relatively small differences in reproduction rate per female were sufficient to yield a similar difference in aphid populations as was found in the empirical experiments."],["dc.identifier.doi","10.3389/fpls.2016.00111"],["dc.identifier.isi","000369804400001"],["dc.identifier.pmid","26904074"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/13139"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41403"],["dc.language.iso","en"],["dc.notes.intern","DeepGreen Import"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Frontiers Media S.A."],["dc.relation.eissn","1664-462X"],["dc.relation.issn","1664-462X"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights","http://creativecommons.org/licenses/by/4.0/"],["dc.rights.access","openAccess"],["dc.title","Root-Lesion Nematodes Suppress Cabbage Aphid Population Development by Reducing Aphid Daily Reproduction"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","131"],["dc.bibliographiccitation.journal","Acta Oecologica"],["dc.bibliographiccitation.lastpage","137"],["dc.bibliographiccitation.volume","92"],["dc.contributor.author","Radny, Janina"],["dc.contributor.author","van der Putten, Wim H."],["dc.contributor.author","Tielbörger, Katja"],["dc.contributor.author","Meyer, Katrin M."],["dc.date.accessioned","2020-12-07T15:40:00Z"],["dc.date.available","2020-12-07T15:40:00Z"],["dc.date.issued","2018"],["dc.description.abstract","Climate warming enables plant species to migrate to higher latitudes and altitudes. Within Europe, the Mediterranean harbours many species that might expand their ranges towards Western Europe. Small seed size may facilitate dispersal, however, it may impair establishment of the range-expanding plant species in the novel vegetation. In a greenhouse experiment, we examined effects of average seed size of Mediterranean plant species on their establishment in a mixed community of Western European plant species. Applying two levels of densities of the natives and a herbivory treatment, we tested how seed size is linked to response in plant growth and fitness in novel vegetation. While all non-native plant species showed a negative response to increased planting density, species with small seeds showed a less negative response. This effect persisted under herbivory. Our data suggest that small-seeded non-native plant species may tolerate competitive pressure from novel plant communities better than large-seeded species, so that small seed size may confer a higher probability of establishment of non-native species in novel communities."],["dc.identifier.doi","10.1016/j.actao.2018.05.005"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/69441"],["dc.language.iso","en"],["dc.relation.issn","1146-609X"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.title","Influence of seed size on performance of non-native annual plant species in a novel community at two planting densities"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","111"],["dc.bibliographiccitation.journal","Ecological Economics"],["dc.bibliographiccitation.lastpage","120"],["dc.bibliographiccitation.volume","122"],["dc.contributor.author","Klasen, Stephan"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Dislich, Claudia"],["dc.contributor.author","Euler, M."],["dc.contributor.author","Faust, Heiko"],["dc.contributor.author","Gatto, Marcel"],["dc.contributor.author","Hettig, Elisabeth"],["dc.contributor.author","Melati, Dian Nuraini"],["dc.contributor.author","Jaya, I. Nengah Surati"],["dc.contributor.author","Otten, Fenna"],["dc.contributor.author","Pérez-Cruzado, César"],["dc.contributor.author","Steinebach, Stefanie"],["dc.contributor.author","Tarigan, Suria"],["dc.contributor.author","Wiegand, Kerstin"],["dc.date.accessioned","2017-09-07T11:44:44Z"],["dc.date.available","2017-09-07T11:44:44Z"],["dc.date.issued","2016"],["dc.description.abstract","Specialization in agricultural systems can lead to trade-offs between economic gains and ecosystem functions. We suggest and explore a conceptual framework in which economic gains can be maximized when production activities are specialized at increasingly broader scales (from the household to the village, region or above), particularly when markets for outputs and inputs function well. Conversely, more specialization likely reduces biodiversity and significantly limits ecosystem functions. When agricultural specialization increases and moves to broader scales as a result of improved infrastructure and markets or other drivers, ecosystem functions can also be endangered at broader spatial scales. Policies to improve agricultural incomes may influence the level of specialization at different scales and thus affect the severity of the trade-offs. This paper takes Jambi province in Indonesia, a current hotspot of rubber and oil palm monoculture, as a case study to illustrate these issues. We empirically show that the level of specialization differs across scales with higher specialization at household and village levels and higher diversification towards the province level. We discuss ways to resolve trade-offs between economic gains and ecological costs, including landscape design, targeted policies, and adoption of long-term perspectives."],["dc.identifier.doi","10.1016/j.ecolecon.2016.01.001"],["dc.identifier.fs","619944"],["dc.identifier.gro","3148962"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/13142"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/5604"],["dc.language.iso","en"],["dc.notes.intern","Faust Crossref Import"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation","SFB 990: Ökologische und sozioökonomische Funktionen tropischer Tieflandregenwald-Transformationssysteme (Sumatra, Indonesien)"],["dc.relation","SFB 990 | B | B05: Land use patterns in Jambi - quantification of structure, heterogeneity and changes of vegetation and land use as a basis for the explanation of ecological and socioeconomic functions"],["dc.relation","SFB 990 | B | B10: Landschaftsbezogene Bewertung der ökologischen und sozioökonomischen Funktionen von Regenwald- Transformationssystemen in Sumatra (Indonesien)"],["dc.relation","SFB 990 | C | C02: Soziale Transformationsprozesse und nachhaltige Ressourcennutzung im ländlichen Jambi"],["dc.relation","SFB 990 | C | C03: Culture-Specific Human Interaction with Tropical Lowland Rainforests in Transformation in Jambi, Sumatra"],["dc.relation","SFB 990 | C | C04: Mitigating trade-offs between economic and ecological functions and services through certification"],["dc.relation","SFB 990 | C | C07: Einflussfaktoren von Landnutzungswandel und sozioökonomische Auswirkungen für ländliche Haushalte"],["dc.relation","SFB 990 | C | C08: Design effektiver Politikinstrumente zur Förderung nachhaltiger Landnutzung"],["dc.relation.issn","0921-8009"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.relation.orgunit","Wirtschaftswissenschaftliche Fakultät"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.subject.gro","Economies of Scale"],["dc.subject.gro","Ecosystem Services"],["dc.subject.gro","Indonesia"],["dc.subject.gro","Monoculture"],["dc.subject.gro","Oil Palm"],["dc.subject.gro","Rubber"],["dc.subject.gro","sfb990_journalarticles"],["dc.title","Economic and ecological trade-offs of agricultural specialization at different spatial scales"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","376"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","The American Naturalist"],["dc.bibliographiccitation.lastpage","383"],["dc.bibliographiccitation.volume","183"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Soldaat, Leo L."],["dc.contributor.author","Auge, Harald"],["dc.contributor.author","Thulke, Hans-Hermann"],["dc.date.accessioned","2018-11-07T09:43:17Z"],["dc.date.available","2018-11-07T09:43:17Z"],["dc.date.issued","2014"],["dc.description.abstract","Behavior is traditionally attributed to animals only. Recently, evidence for plant behavior is accumulating, mostly from plant physiological studies. Here, we provide ecological evidence for complex plant behavior in the form of seed abortion decisions conditional on internal and external cues. We analyzed seed abortion patterns of barberry plants exposed to seed parasitism and different environmental conditions. Without abortion, parasite infestation of seeds can lead to loss of all seeds in a fruit. We statistically tested a series of null models with Monte Carlo simulations to establish selectivity and adaptiveness of the observed seed abortion patterns. Seed abortion was more frequent in parasitized fruits and fruits from dry habitats. Surprisingly, seed abortion occurred with significantly greater probability if there was a second intact seed in the fruit. This strategy provides a fitness benefit if abortion can prevent a sibling seed from coinfestation and if nonabortion of an infested but surviving single seed saves resources invested in the fruit coat. Ecological evidence for complex decision making in plants thus includes a structural memory (the second seed), simple reasoning (integration of inner and outer conditions), conditional behavior (abortion), and anticipation of future risks (seed predation)."],["dc.identifier.doi","10.1086/675063"],["dc.identifier.isi","000331599200008"],["dc.identifier.pmid","24561600"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/34149"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1537-5323"],["dc.relation.issn","0003-0147"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.title","Adaptive and Selective Seed Abortion Reveals Complex Conditional Decision Making in Plants"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","115"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Basic and Applied Ecology"],["dc.bibliographiccitation.lastpage","125"],["dc.bibliographiccitation.volume","14"],["dc.contributor.author","Sabatier, Rodolphe"],["dc.contributor.author","Meyer, Katrin Mareike"],["dc.contributor.author","Wiegand, Kerstin"],["dc.contributor.author","Clough, Yann"],["dc.date.accessioned","2017-09-07T11:44:39Z"],["dc.date.available","2017-09-07T11:44:39Z"],["dc.date.issued","2013"],["dc.description.abstract","Growing concerns have been raised regarding the effects of disturbance due to agricultural practices on associate biodiversity and on the ecosystem services that biodiversity provides. Surprisingly little is known about the effects of such disturbances on complex agroecosystems with multiple interacting species. The aim of this study was to assess the effects of management by pesticide spraying on the productive outputs and the ecological functioning of a cacao agroecosystem. We built a mechanistic dynamic model including the dynamics of the crop, a pest (Cacao Pod Borer, Conopomorpha cramerella) and two beneficial insects: a hymenopteran egg-parasitoid and a ceratopogonid pollinator. Using this model, we tested the effects of a range of pesticide types characterized by their impacts on both the Cacao Pod Borer and the beneficial insects. Our results showed that yield strongly varies according to both pesticide type and timing of pesticide application. The type of pesticide had a strong influence on the flexibility of management. No simple spraying decision rule led to maximal yields for all types of pesticide. Although optimal spraying strategies differed with the type of pesticide used, they all showed a similar pattern, i.e. they limited and postponed the Cacao Pod Borer population peak while limiting the negative impacts on beneficial organisms. The results highlight the non-trivial effects of pesticide application in complex agroecosystems where associated biodiversity provides both ecosystem services and disservices. They illustrate the critical importance of providing good information to farmers on pesticide management because the use of pesticides can have a negative effect on production by decreasing ecosystem services such as pollination."],["dc.identifier.doi","10.1016/j.baae.2012.12.006"],["dc.identifier.gro","3148932"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/5573"],["dc.language.iso","en"],["dc.notes.intern","Wiegand Crossref Import"],["dc.notes.status","public"],["dc.notes.submitter","chake"],["dc.relation.issn","1439-1791"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.subject.gro","Agroecosystem"],["dc.subject.gro","Cacao"],["dc.subject.gro","Dynamic model"],["dc.subject.gro","Ecosystem services"],["dc.subject.gro","Pesticide"],["dc.subject.gro","Pollination"],["dc.title","Non-linear effects of pesticide application on biodiversity-driven ecosystem services and disservices in a cacao agroecosystem: A modeling study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","2594"],["dc.bibliographiccitation.issue","19"],["dc.bibliographiccitation.journal","Ecological Modelling"],["dc.bibliographiccitation.lastpage","2597"],["dc.bibliographiccitation.volume","220"],["dc.contributor.author","Meyer, Katrin M."],["dc.contributor.author","Mooij, Wolf M."],["dc.contributor.author","Vos, Matthijs"],["dc.contributor.author","Hol, W. H. Gera"],["dc.contributor.author","van der Putten, Wim H."],["dc.date.accessioned","2020-12-07T10:10:23Z"],["dc.date.available","2020-12-07T10:10:23Z"],["dc.date.issued","2009"],["dc.description.abstract","Addressing complex ecological research questions often requires complex empirical experiments. However, due to the logistic constraints of empirical studies there is a trade-off between the complexity of experimental designs and sample size. Here, we explore if the simulation of complex ecological experiments including stochasticity-induced variation can aid in alleviating the sample size limitation of empirical studies. One area where sample size limitations constrain empirical approaches is in studies of the above- and belowground controls of trophic structure. Based on a rule- and individual-based simulation model on the effect of above- and belowground herbivores and their enemies on plant biomass, we evaluate the reliability of biomass estimates, the probability of experimental failure in terms of missing values, and the statistical power of biomass comparisons for a range of sample sizes. As expected, we observed superior performance of setups with sample sizes typical of simulations (n = 1000) as compared to empirical experiments (n = 10). At low sample sizes, simulated standard errors were smaller than expected from statistical theory, indicating that stochastic simulation models may be required in those cases where it is not possible to perform pilot studies for determining sample sizes. To avoid experimental failure, a sample size of n = 30 was required. In conclusion, we propose that the standard tool box of any ecologist should comprise a combination of simulation and empirical approaches to benefit from the realism of empirical experiments as well as the statistical power of simulations."],["dc.identifier.doi","10.1016/j.ecolmodel.2009.06.001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/69430"],["dc.language.iso","en"],["dc.relation.issn","0304-3800"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.subject.gro","Experimental design"],["dc.subject.gro","Individual-based simulation model"],["dc.subject.gro","Replication"],["dc.subject.gro","Sample size"],["dc.subject.gro","Statistical power"],["dc.subject.gro","Stochasticity"],["dc.title","The power of simulating experiments"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]