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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 ...
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 ...
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 ...
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 ...
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 Isospondyli Composite Authorship | 89 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 8 John Tee-Van Visualizzazione brani - 1948 |
Parole e frasi comuni
abund Acad adults Amer American anal fin apparently Atlantic base base of caudal Bermuda body Brazil Bull Canada catch caudal Characters coast color Comm counts dark depth descr Description developed diameter differs distance Distinctive dorsal fin eggs equal Evermann examples extending FIGURE Fish Florida Fowler fresh gill rakers Gulf half head Hildebrand Hist Island Jordan known Lake lateral least length less longer lower limb Maine mandible margin Material maxillary middle mouth nearly North northern origin Panama Pectoral fin pelvic fin pointed posterior pounds present probably Proc range rays reaching References refs reported River rows Salmon scales side silvery slender slightly snout spawning species specimens strongly Study synon taken teeth U. S. nat upper USNM usually ventral West York young Zool