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- Great Lakes Ecosystem: Lake Strugeon in Detroit River03-09-2006
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- Only 6 lake sturgeon eggs were recovered in the egg mats deployed at the ZI spawning site but many eggs may have been dislodged by shipping traffic before the nets ...
- Page Title | About the Gulf Ecology Division | US EPA11-23-2009
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- ... Gulf coasts, is suitable for both partial chronic and chronic (egg-to-egg) bioassays... minnows was impaired by concentrations of Aroclor 1254 in their eggs >5 µg/l, but this was not observed in eggs that contained up to 77 µg/g of Aroclor 1016 ...
- Great Lakes Ecosystem: 1993 Midwest Oak Savanna Conferences [Rabe]03-09-2006
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- ... endangered Karner blue butterfly ( Lycaeides melissa samuelis Nabokov) occurred at scattered sites within a band extending from eastern Minnesota, across portions ...
- Great Lakes Ecosystems: 1994 Midwest Oak Ecosystem Recovery Plan03-09-2006
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- ... to areas with a continuous, usually tall, grass layer with scattered trees... A woodland contains a broken to scattered tree canopy, with 30 to 70% (10%) total cover; the ...
- Volunteer Stream Monitoring: A Methods Manual 5.5 Turbidity11-30-2006
- "Information on collecting samples and analyzing turbidity of a water body."
- EPA11-30-2006
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- ... resistance to disease in fish, lowering growth rates, and affecting egg and larval development... the stream bottom, especially in slower waters, and smother fish eggs and benthic macroinvertebrates.
- EPA Exposure Research - Anatomy, Life History and Distribution of the Parasitic Leech Oligobdella Biannulata (Moore, 1900) (Euhirudinea: Glossiphoniidae)10-22-2007
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- Oligobdella biannulata is a translucent, olive-green species with scattered brown chromatophores in the cephalic and anal regions... An adult lays 15-25 bright yellow, yolky eggs and broods them underneath its ventral surface.
- Great Lakes Ecosystem: 1994 Proceedings of the Midwest Oak Savanna Conferences [Hereford]03-09-2006
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- SAVANNA Scattered colonies of non-migratory sandhill cranes were once found along ... They are best characterized as wet grasslands with scattered longleaf pine, cypress, and slash pine.
- EPA: Pesticides - Pesticide Use Limitations for Dubuque County, Iowa11-25-2008
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- Rich, loose soil and scattered leaf litter also help to conserve moisture... Eggs are laid under logs and bark, in protected moist rock ...
- EPA: Pesticides - Pesticide Use Limitations for Jackson County, Iowa11-25-2008
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- Rich, loose soil and scattered leaf litter also help to conserve moisture... Eggs are laid under logs and bark, in protected moist rock ...
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