Results 81 to 90 of about 7,187 (221)
Biological research of Grabia River - fifty years of activity [PDF]
, 2005 Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years.
Siciński, Jacek, Tończyk, Grzegorz
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HYDROBIOLOGICAL CHARACTERISTICS OF SOME SMALL LAKES IN THE NORTHERN TAIGA ZONE (KOLA PENINSULA)
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, 2015 The paper summarizes the results of integrated study of current state of freshwater biota of small water bodies, located in the area of ‘Fedorova tundra’ intrusion.
Svetlana Valkova +4 more
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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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The macrozoobenthic community of the Santa Gilla lagoon (southern Sardinia, Italy) [PDF]
, 2014 1 - Macrozoobenthos is one of the most significant communities of hydrobionts for assessing the ecological state of a water body. In spite of its importance, only few data concerning the macrobenthic community of Santa Gilla lagoon are available; 2 ...
Cabiddu, Serenella +4 more
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Structure and Quantitative Characteristics of Zooplankton and Zoobenthos in the Upper Lena River Basin [PDF]
Журнал Сибирского федерального университета: Серия Биология, 2013 The authors provide data on the taxonomic composition, structure and quantitative characteristics of zooplankton and zoobenthos from the mainstream, floodplain water bodies and side channels of the upper Lena River. A total of 76 species of plankton were
Tatiana V. Potemkina +4 more
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Трансформация экосистемIn 2018, a total of 45–57 zooplankton and 23–81 benthos taxa, as well as 0–6 alien zooplankton and 3–7 invasive zoobenthos species were found in different parts of the water area of the Gulf of Finland adjacent to St. Petersburg.
A. A. Filippov +3 more
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Юг России: экология, развитие, 2015 Aim. As a result of fluctuations in water level, waves, circulation, rise and fall of the water levels there are constant partial erosion and leaching of soil banks in water bodies, with intensive ongoing pollution of the waters of the Caspian Sea, which
M. A. Salmanov +2 more
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Diet composition of fish species from the southern continental shelf of Colombia [PDF]
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
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Юг России: экология, развитие, 2014 Aim. The assessment of the ecological status of watercourses of Delta of the Volga River on the structure of benthic communities. The main objective of our researches was the assess the ecological status of watercourses of Delta of the Volga River on the
V. F. Zaitcev, O. G. Tarasova
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The Mediterranean deep-sea fauna: historical evolution, bathymetric variations and geographical changes [PDF]
, 2004 The deep-water fauna of the Mediterranean is characterized by an absence of distinctive characteristics and by a relative impoverishment. Both are a result of events after the Messinian salinity crisis (Late Miocene).
Emig, Christian, Geistdoerfer, Patrick
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