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Year Published: 2010

Does garbage in diet improve Glaucous Gull reproductive output?

Anthropogenic subsidies are used by a variety of predators in areas developed for human use or residence. If subsidies promote population growth, these predators can have a negative effect on local prey species. The Glaucous Gull (Larus hyperboreus) is an abundant predator in northern Alaska that is believed to benefit from garbage as a...

Powell, Abby N.; Weiser, Emily L.

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Year Published: 2010

Effects of prior detections on estimates of detection probability, abundance, and occupancy

Survey methods that account for detection probability often require repeated detections of individual birds or repeated visits to a site to conduct Counts or collect presence-absence data. Initial encounters with individual species or individuals of a species could influence detection probabilities for subsequent encounters. For example, observers...

Riddle, Jason D.; Mordecai, Rua S.; Pollock, Kenneth H.; Simons, Theodore R.
Riddle J. Effects of Prior Detections on Estimates of Detection Probability, Abundance, and Occupancy. The Auk. 2010-01;127:94-99.

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Year Published: 2010

Factors associated with initial mortality of Walleye and Sauger caught in live-release tournaments

We measured the initial mortality (fish judged nonreleasable at weigh-in), prerelease mortality (fish judged nonreleasable 1–2 h after weigh-in [which includes initial mortality]), and postrelease mortality (fish that died during a 5-d retention in net-pens) in 14 live-release tournaments for walleye Sander vitreus conducted in...

Schramm, Harold L.; Vondracek, Bruce C.; French, William E.; Gerard, Patrick D.

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Year Published: 2010

Factors associated with mortality of walleyes and saugers caught in live-release tournaments

We measured the initial mortality (fish judged nonreleasable at weigh-in), prerelease mortality (fish judged nonreleasable 1–2 h after weigh-in [which includes initial mortality]), and postrelease mortality (fish that died during a 5-d retention in net-pens) in 14 live-release tournaments for walleye Sander vitreus conducted in...

Schramm, Harold; Vondracek, Bruce C.; French, William E.; Gerard, Patrick D.

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Year Published: 2010

Fine scale daily movements and habitat use of East Pacific green turtles at a shallow coastal lagoon in Baja California Sur, Mexico

Green turtles spend most of their lives in coastal foraging areas where they face multiple anthropogenic impacts. Therefore, understanding their spatial use in this environment is a priority for conservation efforts. We studied the fine scale daily movements and habitat use of East Pacific green turtles (Chelonia mydas) at Laguna San Ignacio, a...

Senko, Jesse; Koch, Volker; Megill, William M.; Carthy, Raymond R.; Templeton, R.obert P.; Nichols, Wallace J.
Fine scale daily movements and habitat use of East Pacific green turtles at a shallow coastal lagoon in Baja California Sur, Mexico; 2010; Article; Journal; Journal of Experimental Marine Biology and Ecology; Senko, J.; Koch, V.; Megill, W. M.; Carthy, R. R.; Templeton, R. P.; Nichols, W. J.

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Year Published: 2010

Forest exlosures: an experimental approach to understanding browsing by moose and deer

No abstract available.

DeStefano, Stephen; Faison, Edward K.; Compton, J.; Wattles, David W.
DeStefano, S., E. Faison, J. Compton, and D. Wattles. 2010. Forest exlosures: an experimental approach to understanding browsing by moose and deer. Massachusetts Wildlife 60:14-17, 20-23

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Year Published: 2010

Genetic applications in wild felids

No abstract available.

Macdonald, David; Loveridge, Andrew; Culver, Melanie; Driscoll, Carlos; Eizirik, Eduardo; Spong, Goran

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Year Published: 2010

Headwater streams and forest management: does ecoregional context influence logging effects on benthic communities?

Effects of forest management on stream communities have been widely documented, but the role that climate plays in the disturbance outcomes is not understood. In order to determine whether the effect of disturbance from forest management on headwater stream communities varies by climate, we evaluated benthic macroinvertebrate communities in 24...

Medhurst, R. Bruce; Wipfli, Mark S.; Binckley, Chris; Polivka, Karl; Hessburg, Paul F.; Salter, R. Brion
Headwater streams and forest management: Does ecoregional context influence logging effects on benthic communities?; 2010; Article; Journal; Hydrobiologia; Medhurst, R. B.; Wipfli, M. S.; Binckley, C.; Polivka, K.; Hessburg, P. F.; Salter, R. B.

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Year Published: 2010

Identification of marine-derived lipids in juvenile coho salmon and aquatic insects through fatty acid analysis

The energetic benefits enjoyed by consumers in streams with salmon runs depend on how those benefits are accrued. Adult Pacific salmon Oncorhynchus spp. deliver significant amounts of nutrients (i.e., nitrogen and phosphorus) and carbon to streams when they spawn and die; these nutrient additions can have demonstrable effects on primary...

Heintz, Ron A.; Wipfli, Mark S.; Hudson, John P.

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Year Published: 2010

Linking ecosystems, food webs, and fish production: subsidies in salmonid watersheds

Physical characteristics of riverine habitats, such as large wood abundance, pool geometry and abundance, riparian vegetation cover, and surface flow conditions, have traditionally been thought to constrain fish production in these ecosystems. Conversely, the role of food resources (quantity and quality) in controlling fish production has received...

Wipfli, Mark S.; Baxter, Colden V.
Linking ecosystems, food webs, and fish production: Subsidies in salmonid watersheds; 2010; Article; Journal; Fisheries; Wipfli, M. S.; Baxter, C. V.

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Year Published: 2010

Maintenance of Eastern hemlock forests: Factors associated with hemlock vulnerability to hemlock woolly adelgid

Eastern hemlock (Tsuga canadensis [L.]) is the most shade-tolerant and long-lived tree species in eastern North America. The hemlock woolly adelgid (Adelges tsugae) (HWA), is a nonnative invasive insect that feeds on eastern hemlock and Carolina hemlock (Tsuga caroliniana Engelm.). HWA currently is established in 17 eastern states and is causing...

Fajvan, Mary Ann; Wood, Petra Bohall
Fajvan, M.A. and P. B. Wood. 2010. Maintenance of eastern hemlock forests: factors associated with hemlock vulnerability. Pp 31-38 in Rentch, J. S. and T.M. Schuler, eds. 2010. Proceedings from the conference on ecology and management of high-elevation forests in the central and southern Appalachian Mountains. USDA Forest Service, General Technical Report NRS-P-64. 250 p.

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Year Published: 2010

Migration patterns and movements of sandhill cranes wintering in central and southwestern Louisiana

In this study we trapped wintering sandhill cranes (Grus canadensis) in Louisiana and fitted them with satellite transmitters to determine their migration routes. Four of the 6 sandhill cranes with validated locations and a terminus point used the Central Flyway for spring migration; 2 of these 4 (the only 2 for which we have data) also used the...

Hartup, Barry K.; King, Sammy L.; Pierce, Aaron R.; Hersey, Kent R.; Winstead, Nicholas