Jeremy S. Dertien

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• PhD Wildlife Biology
• Postdoctoral Fellow at German Centre for Integrative Biodiversity Research

Introduction The maintenance of habitat connections between fragmented habitat patches is vital for the conservation of wildlife populations and ecosystem functioning. The awareness of connectivity issues for species conservation has resulted in a growth of connectivity modeling and the application of these results in conservation planning. Such co...

Global biodiversity and land conservation initiatives rely on an accurate understanding of the spatial distribution of species populations and communities. Identifying the spatial habitat use of wildlife communities across land uses and levels of human modification provides the opportunity to produce more efficient and effectual conservation plans....

Amphibians are among the most globally threatened vertebrates, with habitat loss and degradation being the primary drivers of their decline. While natural waterbodies are essential for amphibian survival, artificial habitats can also serve as important refuges, particularly in human‐altered landscapes. This study investigates the role of artificial...

Due to the central role of landscape connectivity in many ecological processes, evaluating and accounting for it has gained attention in both theoretical and applied ecological sciences. To address this challenge, researchers often use generic species to simplify multi‐species connectivity assessments. Yet, this approach tends to oversimplify movem...

The recovery of wild tigers in India and Nepal is a remarkable conservation achievement, but it sets the stage for increased human-wildlife conflict where parks are limited in size and where tigers reside outside reserves. We deployed an innovative technology, the TrailGuard AI camera-alert system, which runs on-the-edge artificial intelligence alg...

The Nature Futures Framework (NFF) is a novel approach for the development of positive scenarios centered on the relationship of nature and people, emphasizing biodiversity as part of the solution to environmental challenges across various spatial and temporal scales, explicitly addressing a plurality of values for nature. In this work, we describe...

Amphibians are among the most globally threatened vertebrates, with habitat loss and degradation being the primary drivers of their decline. While natural wetlands are essential for amphibian survival, artificial habitats can also play a significant role as refuges, especially in human-altered landscapes. This study examines the role of artificial...

The Nature Futures Framework (NFF) is a novel tool for the development of positive scenarios centred on the relationship of nature and people, emphasising biodiversity as part of the solution to environmental challenges across various spatial and temporal scales, explicitly addressing a plurality of values for nature. In this work, we describe the...

1. Due to the central role of landscape connectivity in many ecological processes, evaluating and accounting for it has gained attention in both theoretical and applied ecological sciences. To address this challenge, researchers often used generic species to simplify multi-species connectivity assessments. Yet, this approach tends to oversimplify m...

A key goal of the EU Biodiversity Strategy for 2030 is the design of a connected Trans European Nature Network (TEN-N), that helps to build a coherent and resilient network of protected areas across Europe. The TEN-N will need to consider and integrate societal perspectives on future biodiversity protection in Europe, accounting for multiple values...

Ecological connectivity is key to maintaining a coherent and resilient network of protected areas in the EU. The EU Biodiversity Strategy for 2030 has identified the unhindered movement of species, nutrients and ecological processes across connected landscapes as a key feature of a coherent Trans-European Nature Network (TEN-N) of protected and con...

The maintenance of habitat connections between fragmented habitat patches is vital for the conservation of wildlife populations and ecosystem functioning. The awareness of connectivity issues for species conservation has resulted in a growth of connectivity modelling and the application of these results in conservation planning. Such connectivity m...

We used citizen science and inexpensive methodology to assess the distribution of the jungle cat Felis chaus , a relatively common species in Sri Lanka but the least studied of the four wild cat species occurring in the country. We obtained three types of records of the jungle cat: geo-referenced photographs of the species from the public; sighting...

Biodiversity declines are due in large part to anthropogenic changes in habitats that accumulate over time and space to have landscape-level effects. These changes affect population and community processes at every measurable scale. The science of landscape ecology has provided tools for measuring and synthesizing information about these changes an...

Outdoor recreation is increasingly recognised for its deleterious effects on wildlife individuals and populations. However, planners and natural resource managers lack robust scientific recommendations for the design of recreation infrastructure and management of recreation activities. We reviewed 38 years of research on the effect of non-consumpti...

Outdoor recreation is increasingly recognized for its deleterious effects on wildlife individuals and populations. However, planners and natural resource managers lack robust scientific recommendations for the design of recreation infrastructure and management of recreation activities. We reviewed 38 years of research on the effect of non-consumpti...

Engagement with stakeholders is important for the success of land management extension programs and regional planning. However, traditional engagement is difficult during a global pandemic, causing engagement to primarily occur virtually. We used ArcGIS web applications and an interactive webinar to inform stakeholders and to receive feedback on a...

The United States was an integral part of the early growth of UNESCO’s Man and the Biosphere Programme (MAB), yet changing political and social contexts have impacted the relationship between the US and MAB. Poised at the start of a new period of activity, as the US reviews its strategy on its current and future engagement with MAB, it is critical...

Identifying the factors that determine the spatial distribution of biodiversity is a major focus of ecological research. These factors vary with scale from interspecific interactions to global climatic cycles. Wetlands are important biodiversity hotspots and contributors of ecosystem services, but the association between proportional wetland cover...

Evaluating sympatric habitat use of a mammal community can help determine intra- and inter-guild interactions and identify important habitats, potentially improving the management of these communities with a changing climate. Increasingly variable climatic patterns in Alaska, USA, are raising concerns of mismatched phenologies and altered ecosystem...

The purpose of this report is to communicate an adaptive management strategy to minimize the negative effects of recreation on wildlife species and maintain the ecological function and permeability of the regionally significant Marin Coast to Blue Ridge Critical Linkage. Our specific objectives were to: 1) review the scientific literature for evide...

Anthropogenic disturbances, such as military training, potentially affect mountain ungulate populations. Assessing the spatiotemporal occupancy or habitat use of a wildlife population can assist with planning of potentially disrupting activities. Currently, military training is expanding into potential Dall's sheep (Ovis dalli dalli) habitat within...

Many protected land networks, including Boulder County Parks and Open Space (BCPOS) and Boulder Open Space and Mountain Parks (OSMP), operate under a dual mandate to provide public access for outdoor recreation while also protecting natural resources. However, there is growing evidence that recreation activity can negatively affect wildlife communi...

The incorporation of time lapse camera trap images provides an enormous amount of valuable data and potential wildlife detections; however, large influx of data can vastly increase processing time. Here I introduce a method for organizing multi-year continuous time lapse and triggered camera trap data through the use of the Colorado Parks & Wildlif...

Anthropogenic disturbances are increasingly recognized for effects on the behavior and physiology of wildlife species. Military training, a potential source of disturbance, has shown mixed behavioral and physiological effects on wildlife, including mountain ungulates. Dall sheep (Ovis dalli dalli) are an important species for hunting and wildlife v...

Survey protocols for endangered species must account for imperfect detection of species individuals. Therefore, repeat sampling visits are required of sites that are being scoped for development or other human activity. Estimates for detection probability typically are an average across the sampled population and thus may not account for heterogene...