Results 1 - 10 of 414 for juvenile stage within all areas of the EPA. Only web pages are included. Search all document formats.

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2002 Annual Report | Shelter Bottlenecks and Self-Regulation in Blue Crab Populations: Assessing the Roles of Nursery Habitats and Juvenile Interactions for Shelter Dependent Organisms05-06-2004
In areas where the supply of the larval stages is high, such nursery habitats may become overcrowded and limiting for juvenile populations, resulting in density-dependent processes that can regulate their ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Shelter Bottlenecks and Self-Regulation in Blue Crab Populations: Assessing the Roles of Nursery Habitats and Juvenile Interactions for Shelter Dependent Organisms05-06-2004
In areas where the supply of the larval stages is high, such nursery habitats may become overcrowded and limiting for juvenile populations, resulting in density-dependent processes that can regulate their ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... to these same DEF concentrations stimulated respiration rates of most juvenile stages and young adults... sublethal abnormalities in developmental time periods within each developmental and juvenile stage.
http://www.epa.gov/ged/publica/cabanc37.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
Development beyond third zoeal stage was significantly inhibited at fenoxycarb concentrations greater than or equal ... present in the adult worm as well as in its juvenile stage.
http://www.epa.gov/ged/publica/keycb3.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... Opsanus beta) were continuously exposed as embryos, sac fry and juveniles to technical chlorpyrifos in two 49-day early life-stage toxicity tests ...
http://www.epa.gov/ged/publica/cabanc27.htm (HTML)
2002 Annual Report | Effects of Estrogen Pollution on the Reproductive Fitness of the Gulf Pipefish, Syngnathus scovelli05-03-2004
... on adult fish, although it has long been known that juvenile fish will experience sex reversal with hormone treatment at critical stages of development ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... extend through an entire life-cycle of the shrimp--from juvenile stage of the parental generation, sexual maturation and reproduction, through hatching, larval development, and growth of the F1 generation to juvenile stage ...
http://www.epa.gov/ged/publica/c1539.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
In the present study juvenile spot, Leiostomus xanthurus, survived 5 months of continuous exposure to ... Early-life stages of caridean grass shrimp, Palaemonetes pugio (Holthuis), were used in ...
http://www.epa.gov/ged/publica/keycb0.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... Opsanus beta) were continuously exposed as embryos, sac fry and juveniles to technical chlorpyrifos in two 49-day early life-stage toxicity tests ...
http://www.epa.gov/ged/publica/cabanc11.htm (HTML)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
Hatch of juveniles from embryos of parental fish exposed to greater than or ... 0.8 ug/l was significantly less than hatch of control juveniles.
http://www.epa.gov/ged/publica/keycb13.htm (HTML)

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