A5005841675- Wildlife Ecology and Conservation
- Species Distribution and Climate Change
- Animal Ecology and Behavior Studies
- Animal Behavior and Reproduction
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Avian ecology and behavior
- Ecosystem dynamics and resilience
- Bat Biology and Ecology Studies
- Amphibian and Reptile Biology
- Evolution and Genetic Dynamics
- Primate Behavior and Ecology
- Turtle Biology and Conservation
- Genetic diversity and population structure
- Fish Ecology and Management Studies
- Zoonotic diseases and public health
- Wildlife-Road Interactions and Conservation
- Physiological and biochemical adaptations
- Human-Animal Interaction Studies
- Marine animal studies overview
- Genomics and Phylogenetic Studies
- Sustainability and Ecological Systems Analysis
- Aquatic Ecosystems and Phytoplankton Dynamics
- Land Use and Ecosystem Services
- Aquatic Invertebrate Ecology and Behavior
University of Zurich
2016-2025
Botswana Predator Conservation Trust
2023-2024
Kalahari Meerkat Project
2018-2023
University of Bristol
2021
Ecological Society of America
2020
Institut de Biologia Evolutiva
2013-2019
University of Cambridge
2011-2014
Imperial College London
2009-2013
University of Florida
2004-2013
Boğaziçi University
2002
Forecasts of ecological dynamics in changing environments are increasingly important, and available for a plethora variables, such as species abundance distribution, community structure ecosystem processes. There is, however, general absence knowledge about how far into the future, or other dimensions (space, temperature, phylogenetic distance), useful forecasts can be made, features systems relate to these distances. The forecast horizon is dimensional distance which made. Five case studies...
Environmental change, including climate can cause rapid phenotypic change via both ecological and evolutionary processes. Because dynamics are intimately linked, a major challenge is to identify their relative roles. We exactly decomposed the in mean body weight free-living population of Soay sheep into all processes that contribute change. Ecological most, with selection--the underpinning adaptive evolution--explaining little observed trend. Our results enable us explain why selection has...
A major question in ecology is how age-specific variation demographic parameters influences population dynamics. Based on long-term studies of growing populations birds and mammals, we analyze dynamics by using fluctuations the total reproductive value population. This enables us to account for random age distribution. The influence environmental stochasticity a species decreased with generation time. Variation contributions stochastic components was correlated position along slow-fast...
1. Matrix population models are tools for elucidating the association between demographic processes and dynamics. A large amount of useful theory pivots on assumption equilibrium The preceding transient is, however, genuine conservation concern as it encompasses short-term impact natural or anthropogenic disturbance population. 2. We review recent theoretical advances in deterministic analysis matrix projection models, considering how can alter dynamics by provoking a new trajectory. 3....
Abstract Temporal autocorrelation in demographic processes is an important aspect of population dynamics, but a comprehensive examination its effects on different life‐history strategies lacking. We use matrix models from 454 plant and animal populations to simulate stochastic growth rates (log λ s ) under temporal autocorrelations , using simulated observed covariation among rates. then test for differences sensitivities, or changes log two major axes strategies, obtained phylogenetically...
Abstract Foreseeing population collapse is an on-going target in ecology, and this has led to the development of early warning signals based on expected changes leading indicators before a bifurcation. Such have been sought for abundance time-series data interest, with varying degrees success. Here we move beyond these established methods by including parallel fitness-related trait dynamics. Using from microcosm experiment, show that information dynamics phenotypic traits such as body size...
Summary Habitat suitability models (HSMs) are commonly used in conservation practise to assess the potential of an area be occupied and colonised. A major limitation these models, however, is omission spatially explicit understanding human acceptance towards focal species. As wildlife more subject human‐dominated landscapes, ignoring sociological component will result misrepresentation observed processes inappropriate management. We distributed 10 000 questionnaires across Switzerland...
Species in extreme habitats increasingly face changes seasonal climate, but the demographic mechanisms through which these affect population persistence remain unknown. We investigated how rainfall and temperature influence vital rates viability of an arid environment specialist, Kalahari meerkat, effects on body mass. show that climate change-induced reduction adult mass prebreeding season would decrease fecundity during breeding increase extinction risk, particularly at low densities. In...
Abstract Data from animal‐borne inertial sensors are widely used to investigate several aspects of an animal's life, such as energy expenditure, daily activity patterns and behaviour. Accelerometer data in conjunction with machine learning algorithms have been the tool choice for characterising animal Although models perform reasonably well, they may not rely on meaningful features, nor lend themselves physical interpretation classification rules. This lack interpretability control over...
Most mammals, including humans, exhibit even or slightly male-biased birth sex ratios (BSRs) and female-biased adult (ASRs) much later in life due to higher male mortality rates. The group-living primates of Madagascar are unusual this respect because they lack ASRs, but it is unknown whether the result skewed BSRs sex-specific disappearance patterns. Using long-term demographic data from wild red-fronted lemurs ( Eulemur rufifrons ), we analysed their ratio dynamics across lifespan. We...
Understanding how the natural world will be impacted by environmental change over coming decades is one of most pressing challenges facing humanity. Addressing this challenge difficult because can generate both population-level plastic and evolutionary responses, with responses being either adaptive or nonadaptive. We develop an approach that links quantitative genetic theory data-driven structured models to allow prediction population via plasticity evolution. After introducing general new...
Abstract Plastic behavioral adaptation to human activities can result in the enhancement and establishment of distinct types within a population. Such inter‐individual variations, if unaccounted for, lead biases our understanding species' feeding habits, movement pattern habitat selection. We tracked movements 16 adult brown bears small isolated population north‐east Turkey (1) identify variations associated with use garbage dump (2) examine how these influenced ranging patterns, behavior...
Abstract Dispersal is a key ecological process that influences the dynamics of spatially and socially structured populations consists three stages—emigration, transience, settlement—and each stage influenced by different social, individual, environmental factors. Despite our appreciation complexity process, we lack firm empirical understanding mechanisms underlying stages. Here, using data from 65 GPS ‐collared dispersing female coalitions cooperatively breeding meerkat ( Suricata suricatta...
Significance Climate change is altering the seasonal environmental conditions to which animals have adapted, but outcome may differ between seasons for a particular species. Demographic responses therefore need disentangling on basis make accurate forecasts. Our study shows that climate causing seasonally divergent demographic in hibernating mammal. Continued will likely positive effect summer survival negative winter survival. This potentially has wide-ranging consequences across other...
Abstract Aim Describing the spatio‐temporal dynamics of biotic communities is critical for understanding how environmental change can affect biodiversity. Mountains are especially susceptible to such changes (e.g., climate change) and, consequently, have been identified as ecosystems conservation concern. With their sharp physical and ecological transitions, altitudinal gradients allow examining influence different climatic conditions land use types on species assemblages across small...
Dispersal of individuals contributes to long-term population persistence, yet requires a sufficient degree landscape connectivity. To date, connectivity has mainly been investigated using least-cost analysis and circuit theory, two methods that make assumptions are hardly applicable dispersal. While these can be relaxed by explicitly simulating dispersal trajectories across the landscape, unified approach for such simulations is lacking.Here, we propose apply simple three-step simulate...
The recent description of potentially generic early warning signals is a promising development that may help conservationists to anticipate population's collapse prior its occurrence. So far, the majority such documented have been in highly controlled laboratory systems or theoretical models. Data from wild populations, however, are typically restricted both temporally and spatially due limited monitoring resources intrinsic ecological heterogeneity-limitations affect detectability signals,...
Abstract Experimental laboratory evidence suggests that animals with disrupted social systems express weakened relationship strengths and have more exclusive associations, these changes functional consequences. A key question is whether anthropogenic pressures a similar impact on the structure of wild animal communities. We addressed this by constructing network from 6 years systematically collected photographic capture–recapture data spanning 1,139 individual adult female Masai giraffes...