Now showing 1 - 10 of 16
  • 2022Journal Article
    [["dc.bibliographiccitation.artnumber","jdv.18779"],["dc.bibliographiccitation.journal","Journal of the European Academy of Dermatology and Venereology"],["dc.contributor.author","Schumann, K."],["dc.contributor.author","Mauch, C."],["dc.contributor.author","Klespe, K. C."],["dc.contributor.author","Loquai, C."],["dc.contributor.author","Nikfarjam, U."],["dc.contributor.author","Schlaak, M."],["dc.contributor.author","Akcetin, L."],["dc.contributor.author","Kölblinger, P."],["dc.contributor.author","Hoellwerth, M."],["dc.contributor.author","Meissner, M."],["dc.contributor.author","Posch, C."],["dc.date.accessioned","2022-12-01T08:31:14Z"],["dc.date.available","2022-12-01T08:31:14Z"],["dc.date.issued","2022"],["dc.identifier.doi","10.1111/jdv.18779"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118114"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-621"],["dc.relation.eissn","1468-3083"],["dc.relation.issn","0926-9959"],["dc.rights.uri","http://onlinelibrary.wiley.com/termsAndConditions#vor"],["dc.title","Real world outcomes using\n PD\n ‐1 antibodies and\n BRAF\n +\n MEK\n inhibitors for adjuvant melanoma treatment from 39 skin cancer centers in Germany, Austria and Switzerland"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
    Details DOI
  • 2019Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","1311"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Journal of Applied Ecology"],["dc.bibliographiccitation.lastpage","1321"],["dc.bibliographiccitation.volume","56"],["dc.contributor.author","Riesch, Friederike"],["dc.contributor.author","Tonn, Bettina"],["dc.contributor.author","Meißner, Marcus"],["dc.contributor.author","Balkenhol, Niko"],["dc.contributor.author","Isselstein, Johannes"],["dc.date.accessioned","2019-07-31T07:48:10Z"],["dc.date.available","2019-07-31T07:48:10Z"],["dc.date.issued","2019"],["dc.description.abstract","Maintaining semi‐natural open habitats requires biomass removal, which can be achieved by extensive grazing with livestock species. However, implementing this established conservation management strategy in large or access‐restricted areas is often not possible. We investigated grazing by wild and free‐ranging red deer Cervus elaphus as an alternative conservation management approach on an active military training area in Germany. In grasslands and heathlands protected under the EU Habitats Directive, we quantified aboveground net primary productivity, forage quality and forage removal by red deer over three successive years. To assess synergistic effects between wildlife grazing and additional grassland management measures removing vegetation biomass (i.e. burning, mowing), we conducted our grazing experiment in burnt, mown and untreated grasslands. Annual forage removal by red deer amounted to 35%, 44%, 48% and 59% of the aboveground net primary productivity in burnt, mown and untreated grasslands and untreated heathlands, respectively. Theoretically, a similar annual biomass removal could be obtained by livestock grazing with 0.54 animal units ha−1 in grasslands and 0.45 animal units ha−1 in heathlands. In grasslands, daily rates of forage removal peaked in spring and early summer, whereas in heathlands, forage removal rates were only significant in winter. Forage removal rates in grasslands increased with productivity and forage quality, which were both enhanced in mown grasslands. This suggests mowing can increase grassland attractiveness to red deer. Forage removal rates in heathlands did not relate to productivity or forage quality but to standing biomass. Synthesis and applications. We demonstrate that the quantity of forage removed by wild red deer can be comparable to that of livestock in common conservation grazing systems. The seasonal patterns of forage removal by red deer in grasslands and heathlands coincided with the different grazing requirements of these habitats. Especially in large areas of conservation interest, we therefore encourage attempts to modify current wildlife management strategies to allow red deer to forage in open landscapes, which can contribute to the conservation of semi‐natural open habitats and also help to reduce damage in forest stands. This article is protected by copyright. All rights reserved."],["dc.identifier.doi","10.1111/1365-2664.13396"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62226"],["dc.language.iso","en"],["dc.relation.issn","0021-8901"],["dc.relation.issn","1365-2664"],["dc.relation.orgunit","Zentrum für Biodiversität und Nachhaltige Landnutzung"],["dc.relation.orgunit","Abteilung Wildtierwissenschaften"],["dc.title","Grazing by wild red deer: Management options for the conservation of semi‐natural open habitats"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
    Details DOI
  • 2016Journal Article
    [["dc.bibliographiccitation.firstpage","12"],["dc.bibliographiccitation.issue","24"],["dc.bibliographiccitation.journal","AFZ, der Wald"],["dc.bibliographiccitation.lastpage","16"],["dc.bibliographiccitation.volume","71"],["dc.contributor.author","Hardtke, A."],["dc.contributor.author","Meißner, Markus"],["dc.contributor.author","Steiner, W."],["dc.contributor.author","Janßen, Alwin"],["dc.contributor.author","Ammer, Christian"],["dc.date.accessioned","2017-09-07T11:49:29Z"],["dc.date.available","2017-09-07T11:49:29Z"],["dc.date.issued","2016"],["dc.identifier.gro","3149675"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/6364"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.title","Behandlungskonzept für Saatgutbestände der Eichen"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dspace.entity.type","Publication"]]
    Details
  • 2018Conference Paper
    [["dc.bibliographiccitation.firstpage","901"],["dc.bibliographiccitation.lastpage","903"],["dc.bibliographiccitation.seriesnr","23"],["dc.contributor.author","Raab, C."],["dc.contributor.author","Riesch, F."],["dc.contributor.author","Tonn, B."],["dc.contributor.author","Meißner, M."],["dc.contributor.author","Balkenhol, N."],["dc.contributor.author","Isselstein, J."],["dc.contributor.editor","Horan, B."],["dc.contributor.editor","Hennessy, D."],["dc.contributor.editor","O’Donovan, M."],["dc.contributor.editor","Kennedy, E."],["dc.contributor.editor","McCarthy, B."],["dc.contributor.editor","Finn, J. A."],["dc.contributor.editor","O’Brien, B."],["dc.date.accessioned","2018-12-03T13:06:43Z"],["dc.date.available","2018-12-03T13:06:43Z"],["dc.date.issued","2018"],["dc.description.abstract","Spatially explicit mapping of grassland forage quality is of major interest for sustainable grazing management of NATURA 2000 areas, especially if those are large or have limited accessibility. Therefore, this study is concerned with the estimation of crude protein (CP) and organic acid detergent fiber (oADF) content at regional scale using Sentinel-2 and Landsat 8 remote sensing data. Field data were collected in the Grafenwoehr military training area in Bavaria, Germany. Different combinations of predictor variables were applied using cross-validated random forest regression, linear regression with lasso penalty and linear regression with ridge penalty models. The red-edge band of Sentinel-2, centered at 705 nm, as well as the shortwave infrared bands of both sensors and related vegetation indices contributed the most to the respective models. Linear regression with lasso penalty and Sentinel-2 data performed consistently better, compared to the other models. The results (CP (10.1 - 23.1%): max R2 0.53, RMSE 1.78%; oADF (22.7 - 39.5%): max R2 0.72, RMSE 2.3%) demonstrate the potential of remote sensing as an information tool in supporting the conservation management of grassland areas with limited access."],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/57015"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.publisher","EGF"],["dc.publisher.place","Ireland"],["dc.relation.conference","27th General Meeting of the European Grassland Federation"],["dc.relation.crisseries","Grassland Science in Europe"],["dc.relation.eventend","2018-06-21"],["dc.relation.eventlocation","Cork, Ireland"],["dc.relation.eventstart","2018-06-17"],["dc.relation.isbn","978-1-84170-643-6"],["dc.relation.isbn","978-1-84170-644-3"],["dc.relation.ispartof","Sustainable meat and milk production from grasslands"],["dc.relation.ispartofseries","Grassland Science in Europe;23"],["dc.relation.orgunit","Abteilung Wildtierwissenschaften"],["dc.title","Methods for spatially explicit estimation of NATURA 2000 grassland forage quality using satellites"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
    Details
  • 2020Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","381"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Remote Sensing in Ecology and Conservation"],["dc.bibliographiccitation.lastpage","398"],["dc.bibliographiccitation.volume","6"],["dc.contributor.author","Raab, Christoph"],["dc.contributor.author","Riesch, Friederike"],["dc.contributor.author","Tonn, Bettina"],["dc.contributor.author","Barrett, Brian"],["dc.contributor.author","Meißner, Marcus"],["dc.contributor.author","Balkenhol, Niko"],["dc.contributor.author","Isselstein, Johannes"],["dc.contributor.editor","He, Kate"],["dc.contributor.editor","Wegmann, Martin"],["dc.date.accessioned","2021-04-14T08:27:14Z"],["dc.date.available","2021-04-14T08:27:14Z"],["dc.date.issued","2020"],["dc.description.abstract","Abstract Semi‐natural grasslands represent ecosystems with high biodiversity. Their conservation depends on the removal of biomass, for example, through grazing by livestock or wildlife. For this, spatially explicit information about grassland forage quantity and quality is a prerequisite for efficient management. The recent advancements of the Sentinel satellite mission offer new possibilities to support the conservation of semi‐natural grasslands. In this study, the combined use of radar (Sentinel‐1) and multispectral (Sentinel‐2) data to predict forage quantity and quality indicators of semi‐natural grassland in Germany was investigated. Field data for organic acid detergent fibre concentration (oADF), crude protein concentration (CP), compressed sward height (CSH) and standing biomass dry weight (DM) collected between 2015 and 2017 were related to remote sensing data using the random forest regression algorithm. In total, 102 optical‐ and radar‐based predictor variables were used to derive an optimized dataset, maximizing the predictive power of the respective model. High R2 values were obtained for the grassland quality indicators oADF (R2 = 0.79, RMSE = 2.29%) and CP (R2 = 0.72, RMSE = 1.70%) using 15 and 8 predictor variables respectively. Lower R2 values were achieved for the quantity indicators CSH (R2 = 0.60, RMSE = 2.77 cm) and DM (R2 = 0.45, RMSE = 90.84 g/m²). A permutation‐based variable importance measure indicated a strong contribution of simple ratio‐based optical indices to the model performance. In particular, the ratios between the narrow near‐infrared and red‐edge region were among the most important variables. The model performance for oADF, CP and CSH was only marginally increased by adding Sentinel‐1 data. For DM, no positive effect on the model performance was observed by combining Sentinel‐1 and Sentinel‐2 data. Thus, optical Sentinel‐2 data might be sufficient to accurately predict forage quality, and to some extent also quantity indicators of semi‐natural grassland."],["dc.description.abstract","Radar (Sentinel‐1) and multispectral (Sentinel‐2) data were evaluated for mapping semi‐natural grassland forage quantity and quality indicators in Germany. The predictor dataset was optimized using permutation‐based variable importance, maximizing the predictive power of the random forest regression models. Simple ratios between the narrow near‐infrared and red‐edge region were among the most important variables. The model performance was only marginally increased by including Sentinel‐1 data. image"],["dc.description.sponsorship","Landwirtschaftliche Rentenbank"],["dc.identifier.doi","10.1002/rse2.149"],["dc.identifier.eissn","2056-3485"],["dc.identifier.issn","2056-3485"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17449"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82214"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.notes.intern","Merged from goescholar"],["dc.relation.eissn","2056-3485"],["dc.relation.issn","2056-3485"],["dc.relation.orgunit","Zentrum für Biodiversität und Nachhaltige Landnutzung"],["dc.relation.orgunit","Abteilung Wildtierwissenschaften"],["dc.rights","CC BY-NC 4.0"],["dc.rights.uri","http://creativecommons.org/licenses/by-nc/4.0/"],["dc.title","Target‐oriented habitat and wildlife management: estimating forage quantity and quality of semi‐natural grasslands with Sentinel‐1 and Sentinel‐2 data"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]
    Details DOI
  • 2022Journal Article
    [["dc.bibliographiccitation.journal","Oecologia"],["dc.contributor.author","Riesch, Friederike"],["dc.contributor.author","Wichelhaus, Anya"],["dc.contributor.author","Tonn, Bettina"],["dc.contributor.author","Meißner, Marcus"],["dc.contributor.author","Rosenthal, Gert"],["dc.contributor.author","Isselstein, Johannes"],["dc.date.accessioned","2022-06-01T09:39:45Z"],["dc.date.available","2022-06-01T09:39:45Z"],["dc.date.issued","2022"],["dc.description.abstract","Abstract Eutrophication through atmospheric nutrient deposition is threatening the biodiversity of semi-natural habitats characterized by low nutrient availability. Accordingly, local management measures aiming at open habitat conservation need to maintain habitat-specific nutrient conditions despite atmospheric inputs. Grazing by wild herbivores, such as red deer ( Cervus elaphus ), has been proposed as an alternative to mechanical or livestock-based measures for preserving open habitats. The role of red deer for nutrient dynamics in protected open habitat types, however, is yet unclear. Therefore, we collected data on vegetation productivity, forage removal, quantity of red deer dung and nutrient concentrations in vegetation and dung from permanent plots in heathlands and grasslands (eight plots à 225 m 2 per habitat type) on a military training area inhabited by a large population of free-ranging red deer over one year. The annual nutrient export of nitrogen (N) and phosphorus (P) by red deer grazing was higher than the nutrient import through red deer excreta, resulting in an average net nutrient removal of 14 and 30 kg N ha −1  a −1 and 1.1 and 3.3 kg P ha −1  a −1 in heathlands and grasslands, respectively. Even when considering approximate local atmospheric deposition values, net nutrient depletion due to red deer grazing seemed very likely, notably in grasslands. Demonstrating that grazing by wild red deer can mitigate the effects of atmospheric nutrient deposition in semi-natural open habitats similarly to extensive livestock grazing, our results support the idea that red deer are suitable grazing animals for open habitat conservation."],["dc.description.sponsorship"," Landwirtschaftliche Rentenbank 501100018686"],["dc.description.sponsorship"," Georg-August-Universität Göttingen 501100003385"],["dc.identifier.doi","10.1007/s00442-022-05182-z"],["dc.identifier.pii","5182"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/108555"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-572"],["dc.relation.eissn","1432-1939"],["dc.relation.issn","0029-8549"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","Grazing by wild red deer can mitigate nutrient enrichment in protected semi-natural open habitats"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
    Details DOI
  • 2013Monograph
    [["dc.contributor.author","Meißner, Marcus"],["dc.contributor.author","Reinecke, Horst"],["dc.contributor.author","Herzog, Sven"],["dc.contributor.editorcorporation","Institut für Wildbiologie Göttingen und Dresden e.V."],["dc.date.accessioned","2019-07-31T08:28:19Z"],["dc.date.available","2019-07-31T08:28:19Z"],["dc.date.issued","2013"],["dc.description.abstract","With its high proportion of open space the Grafenwöhr military training area is an almost ideal habitat for red deer. The special conditions are the basis for a comparatively large population of red deer. The framework for forestry and hunting is laid by both the landscape structure and the military training on the grounds. While the habitat is highly suitable for red deer, a stable, protective forest, as well as cost-efficient forestry, are also of importance in large parts of the area. Therefore, goal-oriented management of red deer is of high operational importance for the Bundes¬forstbetrieb (Federal Forest Administration). In order to meet goals in forestry, the reduction of the influence of red deer on the forest vegetation is essential. Unlike in a man-made environment, the red deer are able to use vast swaths of their haunt during the entire day due to the ab¬sence of disturbances. This provides a number of starting points for the management of red deer in respect to their habitat. For quite some time the Federal Forest Adminis¬tration has attempted to direct the population on the ba¬sis of the animals’ positive and negative experiences. This project aimed to evaluate this system, as well as to provide starting points for further development. For this purpose 29 red deer of both sexes in the Gra¬fenwöhr military training area were equipped with GPS transmitters from 2008 to 2010. In addition to the GPS-units, the col¬lars contained activity sensors that detected the in¬tensity of movement. The data makes it possible to distinguish between phases of movement and phases of resting. The animals were captured and immobili¬sed in corrals or with a dart gun from a blind. The transmitters showed quite different operating times. In some cases the transmission time was re¬duced by damage or mortality. On the whole, 17 ani¬mals (7 stags, 10 hinds) provided fully evaluable sets of data with an operating time of more than a year. As an additional reference, data from telemetry pro¬jects from Schleswig-Holstein (an intensively used and highly fragmented cultural landscape) and the Kellerwald-Edersee National Park (conservation area, common beech forest) were available."],["dc.format.extent","152"],["dc.identifier.isbn","978-3-940232-07-6"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62227"],["dc.language.iso","de"],["dc.publisher","Verlag Frank Fornacon"],["dc.publisher.place","Ahnatal"],["dc.title","Vom Wald ins Offenland – der Rothirsch auf dem Truppenübungsplatz Grafenwöhr: Raum-Zeit-Verhalten, Lebensraumnutzung, Management"],["dc.type","book"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]
    Details
  • 2016Conference Paper
    [["dc.contributor.author","Raab, C."],["dc.contributor.author","Tonn, B."],["dc.contributor.author","Meißner, M."],["dc.contributor.author","Isselstein, J."],["dc.date.accessioned","2019-07-31T07:21:49Z"],["dc.date.available","2019-07-31T07:21:49Z"],["dc.date.issued","2016"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62224"],["dc.language.iso","en"],["dc.notes.preprint","yes"],["dc.relation.conference","8. Rotwildsymposium - Der Hirsch als Naturschützer"],["dc.relation.eventend","2016-07-09"],["dc.relation.eventlocation","Kurhaus Casino, Baden-Baden, Germany"],["dc.relation.eventstart","2016-07-07"],["dc.relation.iserratumof","yes"],["dc.title","Erhalt von Offenlandschaften – wildlebende Rothirsche als Landschaftpfleger – Vegetation und Fernerkundung"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
    Details
  • 2016Lecture
    [["dc.contributor.author","Meißner, M."],["dc.contributor.author","Raab, C."],["dc.contributor.author","Richter, L."],["dc.contributor.author","Riesch, F."],["dc.date.accessioned","2019-07-31T07:25:18Z"],["dc.date.available","2019-07-31T07:25:18Z"],["dc.date.issued","2016"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62225"],["dc.language.iso","de"],["dc.relation.conference","8. Rotwildsymposium - Der Hirsch als Naturschützer"],["dc.relation.date","2016-07"],["dc.relation.eventlocation","Kurhaus Casino, Baden-Baden, Germany"],["dc.title","Erhalt von Offenlandschaften durch zielgerichtetes Flächen- und Wildtiermanagement - wildlebende Rothirsche als Landschaftspfleger"],["dc.type","lecture"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
    Details
  • 2018Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","5638"],["dc.bibliographiccitation.issue","17"],["dc.bibliographiccitation.journal","International Journal of Remote Sensing"],["dc.bibliographiccitation.lastpage","5659"],["dc.bibliographiccitation.volume","39"],["dc.contributor.author","Raab, Christoph"],["dc.contributor.author","Stroh, H. G."],["dc.contributor.author","Tonn, B."],["dc.contributor.author","Meißner, M."],["dc.contributor.author","Rohwer, N."],["dc.contributor.author","Balkenhol, N."],["dc.contributor.author","Isselstein, J."],["dc.date.accessioned","2018-11-29T14:13:08Z"],["dc.date.available","2018-11-29T14:13:08Z"],["dc.date.issued","2018"],["dc.description.abstract","Mapping semi-natural grassland has become increasingly important with regard to climate variability, invasive species, and the intensification of land use. At the same time, adequate field data collection is of pivotal importance for national and international reporting obligations, such as the European Habitats Directive. We present a remote-sensing-based monitoring framework for a Natura 2000 site with a heterogeneous composition of different grassland communities, using the Random Forest algorithm. Automated training data selection was successfully implemented based on the Random Forest proximity measure (Overall Accuracy ranging from 77.5–86.5%). RapidEye acquisitions originating from the onset of vegetation (prespring and first spring) and senescence (late summer and first autumn) were identified as important phenological phases for mapping semi-natural grassland communities. The derived probability maps of occurrences for each grassland class captured transitions between grassland communities and are therefore a better approximation of real-world conditions compared to classical, discrete maps."],["dc.identifier.doi","10.1080/01431161.2018.1504344"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/57003"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.relation.orgunit","Zentrum für Biodiversität und Nachhaltige Landnutzung"],["dc.relation.orgunit","Abteilung Wildtierwissenschaften"],["dc.title","Mapping semi-natural grassland communities using multi-temporal RapidEye remote sensing data"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
    Details DOI