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Pagina 311
However , until people living on the shad streams of the Gulf drainage recognize
its delicious food qualities , there will be little demand ; hence no special effort to
catch them will be made . Because of the many dams constructed across rivers ...
However , until people living on the shad streams of the Gulf drainage recognize
its delicious food qualities , there will be little demand ; hence no special effort to
catch them will be made . Because of the many dams constructed across rivers ...
Pagina 337
theory ' ' ) was confirmed when the progeny of gravid adults planted in
depopulated streams returned to these rivers three years after hatching ( 16 : 110
) . This incident is also cited in a subsequent paragraph as a successful method
of ...
theory ' ' ) was confirmed when the progeny of gravid adults planted in
depopulated streams returned to these rivers three years after hatching ( 16 : 110
) . This incident is also cited in a subsequent paragraph as a successful method
of ...
Pagina 489
Measures necessary to improve streams for Atlantic Salmon include : better
landuse practices to reduce erosion , floods , and low summer flow ; overcoming
pollution and the detrimental effects resulting from measures undertaken for the ...
Measures necessary to improve streams for Atlantic Salmon include : better
landuse practices to reduce erosion , floods , and low summer flow ; overcoming
pollution and the detrimental effects resulting from measures undertaken for the ...
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Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Lepisostei by R D Suttkus | 61 |
Text and Footnote References | 105 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione frammento - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 8 John Tee-Van Visualizzazione frammento - 1948 |
Parole e frasi comuni
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