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The study was conducted in Lake Arenguade (Lake Haro Hadho) from 2008 to 2009 and results were compared with previous studies conducted by different authors since the 1960s. The study included the chemistry and chlorophyll-a biomass in micrograms per liter (μg L−1). Results showed that chlorophyll-a biomass dramatically decreased since the 1960s. Previous studies indicated that the phytoplankton community of Lake Arenguade was dominated by a single cyanobacterium species, Arthrospira fusiformis (Voronichin) Komárek et Lund (syn. Spirulina fusiformis Voronichin) while the present study showed co-dominance of the lake's phytoplankton by another cyanobacterium species, Anabaenopsis elenkinii Miller. The trend shows that A. fusiformis is on the verge of disappearance from Lake Arenguade. While other factors can be responsible for such a change, the contribution of underwater seismological detonation experiments carried out repeatedly cannot be ruled out. Based on the results, recommendations were forwarded for possible full-fledged environmental impact assessment of explosion experiments in Lake Arenguade; and other lakes in which similar explosion experiments were carried out. 相似文献
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Abate Rediat Hetharua Buce Hanoch Patil Vishal Lin Daner Kifle Demeke Liang Junrong Chen Changping Sun Lin Kao Shuh-Ji Bi Yonghong Huang Bangqin Gao Yahui 《中国海洋湖沼学报》2023,41(1):203-214
Journal of Oceanology and Limnology - The response of phytoplankton and its satellite bacteria to various concentrations (0.01%–10% v/v) of ethanol is studied. To elucidate the effect of... 相似文献
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