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Results 1 - 10 from 12 for parasitism patterns in 0.486 sec.

USGS Patuxent Wildlife Research Center Research Product: USE OF LICE TO IDENTIFY COWBIRD HOSTS
(Phthiraptera) may be utilized by biologists to investigate the brood parasitism patterns of Brown-headed Cowbirds (Molothrus ater). As nestlings, brood parasites have a unique ... host lice and this survey technique provides a partial assessment of local community parasitism patterns. The incomplete state of passerine louse taxonomy requires anyone using this technique to ...
www.pwrc.usgs.gov

PISCES - Florida Everglades
Back to Index T taxon – a "kind" of organism, any ... anemone; may be colonial or solitary, and both symbiotic and free-living. zonation - distribution patterns of organisms in different biogeographic zones. zone - an area or region considered as ...
www.flmnh.ufl.edu

Bell's Vireo - WDNR
Management Considerations: Land use patterns, particularly along riparian habitats, strongly influence vireo abundance. Habitat modifications, including agriculture, ... mortality. Modifications that promote habitat patchiness apparently increase rates of cowbird parasitism, resulting in reduced nesting success. Increased habitat patchiness also acts to ...
www.dnr.state.wi.us

Invasive Species In The Chesapeake Bay Watershed Workshop - Nutria
Predation, disease and parasitism, water level fluctuations, habitat quality, highway traffic, and weather extremes affect mortality. Annual ... 2000 and 2001. The management team will also examine how intensive harvest affects temporal patterns of gonadal steroid secretion during their reproductive cycle. This information will be used ...
www.mdsg.umd.edu

Stock List :: Phillip Colla Natural History Photography
Defense (11) Feeding (2) Hunting (8) Jumping / Leaping (15) Mating / Courtship (22) Parasitism (Symbiosis) (89) Reproduction (25) Schooling (380) Sleeping (1) Freshwater Fish (199) Africa (58) ... / Conidae) (44) Cowries (Cypraea / Cypraeidae) (681) Olives (Olividae) (8) Subject (7177) Abstracts and Patterns (82) Bubble (5) Fractal (73) Wave (4) Architecture / Building (137) Bridge (71) ...
oceanlight.com

Planetpals - NEW Ecology Dictionary Earth Science Dictionary Environmental Recycle Green Terms Phrases
To burn to ashes insolation The amount of solar energy that ... host organism and that gets its food from or at the expense of its host parasitism A relationship in which one organism, a parasite, secures its nourishment by living on or ...
planetpals.com

USGS National Wildlife Health Center - Publications - Quarterly Reports
American Coot, Scaup, Lesser, Teal - Blue-Winged,Ring-Necked, Mallard 4,350 (e) Parasitism: Cyathocotyle, bushiensis and Sphaerioiotrema, globulus NW (e) = estimate; * = morbidity, not mortality University of ... drooping heads and necks, even in flight. The cranes also had erratic flight patterns and unusually short flights. Necropsy examinations indicate mycotoxicosis and tests are pending. Enteritis ...
www.nwhc.usgs.gov

Is Evolutionary Development Like Flat-Pack Furniture?
Jeff Mower remarked in Nature that: "Plant parasitism has emerged as the first solid mechanism of horizontal transfer in plants." Likewise, animals are ...
scienceagogo.com

USGS National Wildlife Health Center - Publications - Quarterly Reports
Emaciation,Parasitism:Cyathocotyle bushiensis, Parasitism: Coccidiosis NW (e) = estimate, ** Cessation date estimated, *** Mortality estimate not available at this time, "suspect" = Diagnosis is not finalized, but field signs and historic patterns indicate the ...
www.nwhc.usgs.gov

WWF - Temperate Broadleaf and Mixed Forest Ecoregions
Caucasus, the Himalayas, southern Europe, and the Russian Far East1). Biodiversity Patterns Most dominant species have widespread distributions, but in many ecoregions there can be ... Certain species are highly sensitive to habitat fragementation, such as breeding songbirds exposed to parasitism or elevated nest predation; many forest understory species are also unable to cross ...
panda.org