L Leann Kanda2
Jason S. Link2
Todd K Fuller2
2L Leann Kanda
2Jason S. Link
2Todd K Fuller
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If climate limits the geographical distribution of a species, local variation in microclimate may affect the species' local distribution at the edge of its range. We hypothesized that warm urban microclimates may explain the distribution of the Virginia opossum (Didelphis virginiana) in central Massachusetts. We recorded winter temperatures with(More)
The shift in marine resource management from a compartmentalized approach of dealing with resources on a species basis to an approach based on management of spatially defined ecosystems requires an accurate accounting of energy flow. The flow of energy from primary production through the food web will ultimately limit upper trophic-level fishery yields. In(More)
The ability to understand and ultimately predict ecosystem response to multiple pressures is paramount to successfully implement ecosystem-based management. Thresholds shifts and nonlinear patterns in ecosystem responses can be used to determine reference points that identify levels of a pressure that may drastically alter ecosystem status, which can inform(More)
There has been a systematic change in the weight at age of Atlantic salmon (Salmo salar L.) in the Northwest Atlantic that is related to climate variability. This relationship emerged from analyses of broad-scale measures of ocean surface thermal habitat, which show that expansion of the area bounding 4–8°C is associated with greater growth. To further(More)
activity patterns are a crucial aspect of animal ecology (Stephens and Krebs 1986), and numerous methods have been developed to monitor animals without disturbing those patterns. Few species are undisturbed by direct human observation , so means of remote detection, radiotelemetry in particular, have become favored for monitoring movement of sensitive or(More)
This paper describes the design of an archival temperature monitoring tag to be used to collect habitat information of Atlantic salmon during the marine phase of the species' natural history. The monolithic circuit should not exceed an average power dissipation of 5W so that a small 3V lithium battery of 50mAh charge will provide the device with the(More)
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