Results 91 to 100 of about 2,443 (215)
Notulae Scientia Biologicae, 2011 Parasites belonging to Argulus genus, known as fish louse (Argulus foliaceus L.) significantly affect in negative way both in natural and farming environment.
Mustafa KOYUN
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月湖底泥疏浚后底栖动物群落的恢复及其与环境的关系 [PDF]
, 2012 研究对月湖底泥疏浚后底栖动物群落动态进行逐月的周年调查,并分析了底栖动物密度、生物多样性与环境因子的关系,结果表明:疏浚导致大型底栖动物基本消失,现存量从疏浚前的(4387±885)ind·m-2降低至(80±21)ind·m-2。疏浚后,寡毛类成为受干扰系统恢复过程中的先锋种类,在春季(4月)和秋冬之际(11月)出现2个密度高峰,分别为(1010±230)ind·m-2和(1538±408)ind·m-2,而摇蚊幼虫在疏浚一年后的秋冬季密度达到高峰(2021±612)ind·m-2 ...
周易勇 +4 more
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Aquaculture Asia, Vol.13, No.3, pp.1-60, July-September 2008 [PDF]
, 2008 Comments on possible improvements to carp culture in Andhra Pradesh. Aquaculture and environmental issues in the region of Nai Lagoon, Ninh Hai district,Ninh Thuan province, Viet Nam. Climate change impacts on fi sheries and aquaculture.
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Argulus elongatus (Branchiura, Argulidae) in fish in the upper São Francisco river, Brazil
Revista Brasileira de Parasitologia VeterináriaAmong 164 fish from the upper São Francisco river, caught in the Três Marias reservoir (18º 12’ 59” S; 45º 17’ 34” W) or downstream from this reservoir (18º 12’ 32” S; 45º 15’ 41” W) in 2007, 2008, 2016 and 2017, four specimens of Argulus elongatus ...
Rayane Duarte +4 more
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Diversity of oligochaeta (Annelida) and Chironomidae (Diptera) of the argentinian Fluvial Litoral [PDF]
, 2004 Oligochaetes and chironomids are considered by many authors as biological indicators of environmental conditions and are represented for a great species diversity in the benthic, pleuston and periphyton communities of different habitats.
Marchese Garello, Mercedes Rosa +1 more
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SOME CASES OF MACRO-EPIBIOSIS ON THE INVASIVE CRAYFISH ORCONECTES LIMOSUS IN THE CZECH REPUBLIC
Knowledge and Management of Aquatic Ecosystems, 2006 Several cases of epibiosis by macro-invertebrates on Orconectes limosus were recorded during our research on the biology of populations of this invasive crayfish species in the Czech Republic. (1) In 2001, we observed a high infestation of O.
DURIS Z. +3 more
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Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]
, 2005 The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
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Oceanological and Hydrobiological StudiesFish with the metazoan parasite Argulus foliaceus (Crustacea: Branchiura) infestation observed in carp (Cyprinus carpio) were caught between September and October 2018 in Lake Çavuşçu.
Gümüş Numan Emre
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A New Ohio Locality Record for the Gilled Oligochaete Branchiura Sowerbyi [PDF]
, 1954 Author Institution: Department of Zoology, Miami University, Oxford ...
Strecker, Robert L.
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Benthic diversity of River Gomti in relation to the prevailing environmental conditions in Lucknow [PDF]
, 2006 To evaluate the benthic diversity of River Gomti in relation to the prevailing environmental conditions, four stations, viz., Maa Chandrika Devi, Daliganj, Ambedkar Park and Aquaduct, were identified from upstream to downstream along the course of the ...
Agrahari, R.K. +3 more
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