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Keyword: connectivity

Connectivity of post-fire runoff and sediment from nested hillslopes and watersheds

Publications Posted on: January 04, 2021
Wildfire increases the potential connectivity of runoff and sediment throughout watersheds due to greater bare soil, runoff and erosion as compared to pre-fire conditions. This research examines the connectivity of post-fire runoff and sediment from hillslopes (

Evaluating methods for identifying large mammal road crossing locations: Black bears as a case study

Publications Posted on: July 27, 2020
Roads have several negative effects on large mammals including restricting movements, isolating populations, and mortality due to vehicle collisions. Where large mammals regularly cross roads, driver safety is also a concern. Wildlife road crossing structures are often proposed to mitigate the negative effects on wildlife and human safety.

Climatic, topographic, and anthropogenic factors determine connectivity between current and future climate analogs in North America

Publications Posted on: July 27, 2020
As climatic conditions shift in coming decades, persistence of many populations will depend on their ability to colonize habitat newly suitable for their climatic requirements. Opportunities for such range shifts may be limited unless areas that facilitate dispersal under climate change are identified and protected from land uses that impede movement.

Human land uses reduce climate connectivity

Science Spotlights Posted on: July 24, 2020
Climate change will cause many species to shift their ranges.  To do so successfully, individual organisms will need hospitable travel pathways. These climate corridors –the best movement routes between current climate types and where those climates will occur in the future– will be critical for species persistence.

Are all data types and connectivity models created equal? Validating common connectivity approaches with dispersal data

Publications Posted on: June 20, 2020
There is enormous interest in applying connectivity modelling to resistance surfaces for identifying corridors for conservation action. However, the multiple analytical approaches used to estimate resistance surfaces and predict connectivity across resistance surfaces have not been rigorously compared, and it is unclear what methods provide the best inferences about population connectivity.

Predicting connectivity, population size and genetic diversity of Sunda clouded leopards across Sabah, Borneo

Publications Posted on: June 17, 2020
The Sunda clouded leopard is vulnerable to forest loss and fragmentation. Conservation of this species requires spatially explicit evaluations of the effects of landscape patterns on genetic diversity, population size and landscape connectivity.

Habitat amount mediates the effect of fragmentation on a pollinator's reproductive performance, but not on its foraging behaviour

Publications Posted on: June 09, 2020
Agricultural intensification, with its associated habitat loss and fragmentation, is among the most important drivers of the ongoing pollination crisis. In this quasi-experimental study, conducted in intensively managed vineyards in southwestern Switzerland, we tested the separate and interdependent effects of habitat amount and fragmentation on the foraging activity and reproductive performance of bumblebee Bombus t. terrestris colonies.

Human land uses reduce climate connectivity across North America

Publications Posted on: April 16, 2020
Climate connectivity, the ability of a landscape to promote or hinder the movement of organisms in response to a changing climate, is contingent on multiple factors including the distance organisms need to move to track suitable climate over time (i.e. climate velocity) and the resistance they experience along such routes.

High connectivity and minimal genetic structure among North American Boreal Owl populations, regardless of habitat matrix

Publications Posted on: March 04, 2020
Habitat connectivity and corridors are often assumed to be critical for the persistence of patchily distributed populations, but empirical evidence for this assumption is scarce. We assessed the importance of connectivity among habitat patches for dispersal by a mature-forest obligate, the Boreal Owl (Aegolius funereus).

Landscape attributes and life history variability shape genetic structure of trout populations in a stream network

Publications Posted on: March 04, 2020
Spatial and temporal landscape patterns have long been recognized to influence biological processes, but these processes often operate at scales that are difficult to study by conventional means. Inferences from genetic markers can overcome some of these limitations.