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30.216  Articles
1 of 3.023 pages  |  10  records  |  more records»
Study and analysis of hydrophilic flora diversity are important parts of environmental research due to various functions of vascular macrophytes in freshwater ecosystems, which deteriorate under the influence of anthropogenic activity and climate change. ... see more

Endorheic watercourse which contributes more than 90% to water supplies of Lake Chad, and natural border between Cameroon and Chad, the Logone-Chari system, has often been studied in terms of variability of the hydrological regime and of the risks associa... see more

Endorheic watercourse which contributes more than 90% to water supplies of Lake Chad, and natural border between Cameroon and Chad, the Logone-Chari system, has often been studied in terms of variability of the hydrological regime and of the risks associa... see more

In this paper we present some aspects concerning the chorology, floristic composition, syn-ecology, and dynamics of the alluvial and lowland hay meadows in the River Timi? basin. Agrostis stolonifera dominates depression areas with high moisture for the e... see more

Field studies of fine sediment dynamics carried out in the Mekong River estuary, Vietnam, during the low flow season in April 1996 show semidiurnal macro-tides and shallow water effects result in a tidal asymmetry with peak flood tidal currents 10% strong... see more

We have researched the population dynamics of Brachyiulus jawlowskii Lohmander, 1928 in the arena of the Dnepr river (within the "Dnieper-Orilsky” Nature Reserve) and also present a full picture of the habitat distribution of Julidae within the researched... see more

The increase in anthropogenic impact on aquatic ecosystems causes significant alterations in the composition and structure of hydrobiont groups. These processes are characteristic of the hydrobiocenoses of the Uday River, the valley of which lies within t... see more

The benthic macro invertebrates are good indicators of localized conditions, as many of the benthic macro invertebrates have limited migration patterns or a sessile mode of life. Most species have a complex life cycle of one year or more. Sensitive life s... see more

Long-term intensive land use/cover changes (LUCCs) of the Yellow River Delta (YRD) have been happening since the 1960s. The land use patterns of the LUCCs are crucial for bio-diversity conservation and/or sustainable development. This study quantified pat... see more

1 of 3.023 pages  |  10  records  |  more records»