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Titlebook: Ecological Studies in the Middle Reach of Chesapeake Bay; Calvert Cliffs Kenneth L. Heck Book 1987 Springer-Verlag Berlin Heidelberg 1987 b

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41#
發(fā)表于 2025-3-28 17:36:39 | 只看該作者
J?rg Müngersdorff,Rüdiger Müngersdorff detected for all 10 catch variables examined, but few differences occurred among stations or between preoperational and operational periods. A significant long-term decrease in percent males, however, could have serious implications to the crab fishery..Trays of oysters located at various stations
42#
發(fā)表于 2025-3-28 22:21:16 | 只看該作者
Jens Hollmann,Katharina Danielseral species in the early 1970s may have been due to Tropical Storm Agnes and to decreases in aquatic vegetation; however, the declines in these fish species were not coincident. Measures of overwinter survival of juvenile croaker were correlated with winter severity. Overwinter survival of juvenile
43#
發(fā)表于 2025-3-29 00:15:48 | 只看該作者
https://doi.org/10.1007/978-1-349-11996-7rorocentrum minimum and the diatoms Cyclotella caspia and Thalassionema nitzschioides were not affected by entrainment. Although entrainment affects Cryptomonas and flagellate-dominated assemblages in the summer there are no detectable effects of power plant operations on cell densities or productiv
44#
發(fā)表于 2025-3-29 03:31:22 | 只看該作者
45#
發(fā)表于 2025-3-29 11:04:48 | 只看該作者
Phytoplankton: Relationships Between Phytoplankton, Nutrients, Oxygen Flux and Secondary ProducersNutrient concentrations and elemental ratios suggest occasional nutrient limitation of phytoplankton production in the region, with a limited phosphorus data set suggesting P-limitation in spring. Nitrogen limitation was possible in approximately one-half of the summer and early fall months sampled
46#
發(fā)表于 2025-3-29 12:29:56 | 只看該作者
Shellfish detected for all 10 catch variables examined, but few differences occurred among stations or between preoperational and operational periods. A significant long-term decrease in percent males, however, could have serious implications to the crab fishery..Trays of oysters located at various stations
47#
發(fā)表于 2025-3-29 16:50:55 | 只看該作者
Fisheral species in the early 1970s may have been due to Tropical Storm Agnes and to decreases in aquatic vegetation; however, the declines in these fish species were not coincident. Measures of overwinter survival of juvenile croaker were correlated with winter severity. Overwinter survival of juvenile
48#
發(fā)表于 2025-3-29 20:10:09 | 只看該作者
Entrainment Studiesrorocentrum minimum and the diatoms Cyclotella caspia and Thalassionema nitzschioides were not affected by entrainment. Although entrainment affects Cryptomonas and flagellate-dominated assemblages in the summer there are no detectable effects of power plant operations on cell densities or productiv
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