• First-Passage Time Analysis Based on GPS Data Offers a New Approach to Estimate Restricted Zones for the Management of Infectious Diseases in Wildlife: A Case Study Using the Example of African Swine Fever 

      Wielgus, Elodie; Klamm, Alisa; Conraths, Franz J.; Dormann, Carsten F.; Henrich, Maik; Kronthaler, Franz; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      An essential part of any disease containment and eradication policy is the implementation of restricted zones, but determining the appropriate size of these zones can be challenging for managers. We designed a new method, ...
    • A guide for selecting the appropriate plot design to measure ungulate browsing 

      van Beeck Calkoen, Suzzane T S; Milch, Jérôme; Kupferschmid, Andrea D.; Fiderer, Christian; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      Ungulate browsing often impairs tree regeneration, thus preventing the achievement of economic or conservation goals. Forest ungulate management would thus benefit from a practical decision tool that facilitates method ...
    • How future climate and tree distribution changes shape the biodiversity of macrofungi across Europe 

      Yu, Haili; Wang, Tiejun; Skidmore, Andrew; Heurich, Marco Dietmar; Bässler, Claus (Peer reviewed; Journal article, 2023)
      Aim: Climate change is affecting biodiversity at an accelerating rate. Despite the im-portance of fungi in ecosystems in general, and in the global carbon and nitrogen cycle in particular, there is little research on the ...
    • Human disturbance is the most limiting factor driving habitat selection of a large carnivore throughout Continental Europe 

      Ripari, Lucia; Premier, Joe; Belotti, Elisa; Bluhm, Hendrik; Breitenmoser-Würsten, Christine; Bufka, Luděk; Červený, Jaroslav; Drouet-Hoguet, Nolwenn; Fuxjäger, Christian; Jędrzejewski, Włodzimierz; Kont, Raido; Koubek, Petr; Kowalczyk, Rafał; Krofel, Miha; Krojerová-Prokešová, Jarmila; Molinari-Jobin, Anja; Okarma, Henryk; Oliveira, Teresa; Remm, Jaanus; Schmidt, Krzysztof; Zimmermann, Fridolin; Kramer-Schadt, Stephanie A.; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      Habitat selection is a multi-scale process driven by trade-offs between benefits, such as resource abundance, and disadvantages, such as the avoidance of risk. The latter includes human disturbances, to which large carnivores, ...
    • Humans rather than Eurasian lynx (Lynx lynx) shape ungulate browsing patterns in a temperate forest 

      van Beeck Calkoen, Suzanne T. S.; Deis, Michele H.; Oeser, Julian; Kuijper, Dries P. J.; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      The recolonization of human-dominated landscapes by large carnivores has been followed with considerable scientific interest; however, little is known about their interactive effect on ungulate foraging behavior. This study ...
    • imageseg: An R package for deep learning-based image segmentation 

      Niedballa, Jürgen; Axtner, Jan; Döbert, Timm Fabian; Tilker, Andrew; Nguyen, An; Wong, Seth T.; Fiderer, Christian; Heurich, Marco Dietmar; Wilting, Andreas (Peer reviewed; Journal article, 2022)
      Convolutional neural networks (CNNs) and deep learning are powerful and robust tools for ecological applications and are particularly suited for image data. Image segmentation (the classification of all pixels in images) ...
    • Instance segmentation of standing dead trees in dense forest from aerial imagery using deep learning 

      Sani-Mohammed, Abubakar; Yao, Wei; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      Mapping standing dead trees, especially, in natural forests is very important for evaluation of the forest's health status, and its capability for storing Carbon, and the conservation of biodiversity. Apparently, natural ...
    • Integrating animal tracking datasets at a continental scale for mapping Eurasian lynx habitat 

      Oeser, Julian; Heurich, Marco Dietmar; Kramer-Schadt, Stephanie A.; Mattisson, Jenny; Krofel, Miha; Krojerová-Prokešová, Jarmila; Zimmermann, Fridolin; Anders, Ole; Andrén, Henrik; Bagrade, Guna; Belotti, Elisa; Breitenmoser-Würsten, Christine; Bufka, Luděk; Cerne, Rok; Drouet-Hoguet, Nolwenn; Duľa, Martin; Fuxjäger, Christian; Gomerčić, Tomislav; Jędrzejewski, Włodzimierz; Kont, Raido; Koubek, Petr; Kowalczyk, Rafał; Kusak, Josip; Kubala, Jakub; Kutal, Miroslav; Linnell, John Durrus; Molinari-Jobin, Anja; Männil, Peep; Middelhoff, Tomma Lilli; Odden, John; Okarma, Henryk; Schmidt, Krzysztof; Signer, Sven; Tám, Branislav; Vogt, Kristina; Kuemmerle, Tobias (Peer reviewed; Journal article, 2023)
      Aim: The increasing availability of animal tracking datasets collected across many sites provides new opportunities to move beyond local assessments to enable de-tailed and consistent habitat mapping at biogeographical ...
    • Large-Scale Sheep Losses to Wolves (Canis lupus) in Germany Are Related to the Expansion of the Wolf Population but Not to Increasing Wolf Numbers 

      Khorozyan, Igor; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      Recovery of predator populations triggers conflicts due to livestock depredation losses, particularly in Germany where the wolf (Canis lupus) population grows exponentially and livestock (especially sheep) losses raise ...
    • A Learnable Model with Calibrated Uncertainty Quantification for Estimating Canopy Height from Spaceborne Sequential Imagery 

      Alagialoglou, Leonidas; Manakos, Ioannis; Heurich, Marco Dietmar; Cervenka, Jaroslav; Delopoulos, Anastasios (Peer reviewed; Journal article, 2022)
      Global-scale canopy height mapping is an important tool for ecosystem monitoring and sustainable forest management. Various studies have demonstrated the ability to estimate canopy height from a single spaceborne multispectral ...
    • LiDAR reveals a preference for intermediate visibility by a forest-dwelling ungulate species 

      Zong, Xin; Wang, Tiejun; Skidmore, Andrew K.; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      Abstract 1. Visibility (viewshed) plays a significant and diverse role in animals' behaviour and fitness. Understanding how visibility influences animal behaviour requires the measurement of habitat visibility at spatial ...
    • Mammal responses to predator scents across multiple study areas 

      Sunde, Peter; Böcker, Felix; Rauset, Geir Rune; Kjellander, Petter; Chrenkova, Monika; Skovdal, Trine Munck; Calkoen, Suzanne van Beeck; Mayer, Martin; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      Antipredator behaviors allow prey to mitigate the impacts of their predators. We investigated antipredator responses of two herbivore species, roe deer and European hare, and one mesopredator, red fox, toward predation ...
    • Numerical top-down effects on red deer (Cervus elaphus) are mainly shaped by humans rather than large carnivores across Europe 

      van Beeck Calkoen, Suzanne T. S.; Kuijper, Dries P. J.; Apollonio, Marco; Blondel, Lena; Dormann, Carsten F.; Storch, Ilse; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      Terrestrial ecosystems are shaped by interacting top-down and bottom-up processes, with the magnitude of top-down control by large carnivores largely depending on environmental productivity. While carnivore-induced numerical ...
    • Olfactory cues of large carnivores modify red deer behavior and browsing intensity 

      Calkoen, Suzanne T. S. van Beeck; Kreikenbohm, Rebekka; Kuijper, Dries P. J.; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2021)
      This study examined the effect of perceived predation risk imposed by lynx (Lynx lynx) and wolf (Canis lupus) on red deer (Cervus elaphus) foraging behavior under experimental conditions. We hypothesized that in response ...
    • Predicting kill sites of an apex predator from GPS data in different multi-prey systems 

      Oliveira, Teresa; Sanchez, David Carricondo; Mattisson, Jenny; Vogt, Kristina; Corradini, Andrea; Linnell, John Durrus; Odden, John; Heurich, Marco Dietmar; Rodríguez-Recio, Mariano; Krofel, Miha (Peer reviewed; Journal article, 2022)
      Kill rates are a central parameter to assess the impact of predation on prey species. An accurate estimation of kill rates requires a correct identification of kill sites, often achieved by field-checking GPS location ...
    • Prerequisites for coexistence: human pressure and refuge habitat availability shape continental‑scale habitat use patterns of a large carnivore 

      Oeser, Julian; Heurich, Marco Dietmar; Kramer‑Schadt, Stephanie; Andrén, Henrik; Bagrade, Guna; Belotti, Elisa; Bufka, Luděk; Breitenmoser‑Würst, Christine; Cerne, Rok; Duľa, Martin; Fuxjäger, Christian; Gomerčić, Tomislav; Jędrzejewski, Włodzimierz; Kont, Raido; Koubek, Petr; Kowalczyk, Rafał; Krofel, Miha; Krojerová‑Prokešová, Jarmila; Kubala, Jakub; Kusak, Josip; Kutal, Miroslav; Linnell, John Durrus; Mattisson, Jenny; Molinari‑Jobin, Anja; Männil, Peep; Odden, John; Okarma, Henryk; Oliveira, Teresa; Pagon, Nives; Persson, Jens; Remm, Jaanus; Schmidt, Krzysztof; Signer, Sven; Tám, Branislav; Vogt, Kristina; Zimmermann, Fridolin; Kuemmerle, Tobias (Peer reviewed; Journal article, 2023-03-31)
      Context Adjustments in habitat use by large carnivores can be a key factor facilitating their coexistence with people in shared landscapes. Landscape composition might be a key factor determining how large carnivores can ...
    • Quiet islands in a world of fear: Wolves seek core zones of protected areas to escape human disturbance 

      Smith, Adam F.; Ciuti, Simone; Shamovich, Dmitry; Fenchuk, Viktar; Zimmermann, Barbara; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2022)
      The Anthropocene continuously escalates the challenges and threats faced by large carnivores in human-dominated landscapes. Given their unique conservation and management requirements, detailed insights into their behaviour ...
    • Sampling variables and their thresholds for the precise estimation of wild felid population density with camera traps and spatial capture–recapture methods 

      Palmero, Stefano; Premier, Joe; Kramer-Schadt, Stephanie; Monterroso, Pedro; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      1. Robust monitoring, providing information on population status, is fundamental for successful conservation planning. However, this can be hard to achieve for species that are elusive and occur at low densities, such as ...
    • A semi-automated camera trap distance sampling approach for population density estimation 

      Henrich, Maik; Burgueño, Mercedes; Hoyer, Jacqueline; Haucke, Timm; Steinhage, Volker; Kühl, Hjalmar S.; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      Camera traps have become important tools for the monitoring of animal populations. However, the study-specific estimation of animal detection probabilities is key if unbiased abundance estimates of unmarked species are to ...
    • Shining a light on elusive lynx: Density estimation of three Eurasian lynx populations in Ukraine and Belarus 

      Palmero, Stefano; Smith, Adam F.; Kudrenko, Svitlana; Gahbauer, Martin; Dachs, Dominik; Weingarth-Dachs, Kirsten; Kashpei, Irina; Shamovich, Dmitry; Vyshnevskiy, Denys; Borsuk, Oleksandr; Korepanova, Kateryna; Bashta, Andriy-Taras; Zhuravchak, Rostyslav; Fenchuk, Viktar; Heurich, Marco Dietmar (Peer reviewed; Journal article, 2023)
      The Eurasian lynx is a large carnivore widely distributed across Eurasia. However, our understanding of population status is heterogeneous across their range, with some populations isolated that are at risk of reduced ...