aquatic ecosystems
Eutrophication in aquatic ecosystems: a scientometric study
... Abstract: Aim: Reveal the direction for future studies about eutrophication, or even reveal the preoccupation among the scientific community about this environmental problem. With a systematic synthesis of eutrophication ...
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Sediment composition mediates the invasibility of aquatic ecosystems by a non-native Poaceae species
... of aquatic ecosystems by an exotic species, we used the invasive macrophyte Urochloa arrecta, which has invaded many Neotropical waterbodies and has reduced biodiversity in these ...mud-rich ...
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Contributions of Russian Scientists to the Research of Aquatic Ecosystems in Mongolia
... Great attention should be also paid to other basins of Mongolia at present. In particular, the global warming led to the change of water cycle and water-bodies of the Central-Asian closed basin. Anthropogenic load on the ...
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Interaction between resource identity and bacterial community composition regulates bacterial respiration in aquatic ecosystems
... Using aquatic microcosms, we tested whether and how resource identity interacts with BCC in regulating bacterial respiration and bacterial functional ...Different aquatic macrophyte leachates were used as ...
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Focusing on variation: methods and applications of the concept of beta diversity in aquatic ecosystems
... Abstract: Ecologists usually estimate means, but devote much less attention to variation. The study of variation is a key aspect to understand natural systems and to make predictions regarding them. In community ecology, ...
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Biomarkers as a tool to monitor environmental impact on Aquatic Ecosystems / Biomarcadores como ferramenta para monitorar o impacto ambiental nos Ecossistemas Aquáticos
... the aquatic environment and how they signal changes in this ...that aquatic contamination is a threat to the conservation and management of these ecosystems, making it necessary to use specific and ...
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METHODOLOGICAL TESTS OF A HETEROTROPHY INDEX FOR AQUATIC ECOSYSTEMS
... Experiments in glucose mineralization were carried out to investigate the effects caused by natural forcing functions on both the decomposition rates and heterotrophy capacity of aquatic ecosystems. In ...
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Water systems' revitalization: interventions adopted in aquatic ecosystems in Brazil and worldwide
... Because of the above-mentioned interventions, many urban water bodies are in conditions that prevent its use. Hence, the unquestionable need to recover the urban water as it directly affects the quality of life: not only ...
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Chemical and biochemical tools to assess pollution exposure in aquatic ecosystems
... the aquatic environment has led to the development of biomarkers (biological indicators) (Peakall, ...or ecosystems became clear, there is already considerable environmental degradation (Hylland, ...
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An analysis of publications on invasive macrophytes in aquatic ecosystems
... of ecosystems, the former has received more attention, showing that the study of attributes related to macrophyte species that facilitate invasion is preferred by aquatic investigators studying ...
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Padial, AA.a , Bini, LM.a and Thomaz, SM.b
... of aquatic macrophyte on other communities was another subject highly investigated (n = 102, 24%) (Figure ...of aquatic plants as key components for the bio- diversity of aquatic ecosystems ...
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Biomass reduction of Salvinia molesta exposed to copper sulfate pentahydrate (CuSO4 .5H2 O)
... In aquatic ecosystems copper can be adsorbed to the sediment by ion complexation reactions and influence the bioavailability, transport and migration of metallic cations (Bezerra et ...
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Braz. j. oceanogr. vol.63 número3
... Marine Sciences have a very high scientiic production worldwide and there are always new research topics, which evidence the continuous progress of these disciplines. In Latin America, Marine Sciences development has had ...
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Lacustrine wetland in an agricultural catchment: nitrogen removal and related biogeochemical processes
... Over the last few decades, much interest has been focused on specific catchment areas such as riparian zones which are able to reduce or buffer the flux of N from terrestrial to aquatic ecosystems ...
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Qualitative models to predict impacts of human interventions in a wetland ecosystem
... variables. Aquatic ecosystems can be understood as a network of in- teractions where the multiple pathways can cause unex- pected results to emerge (Carpenter and Mitchel ...
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Distribution, composition and seasonality of aquatic birds in the Nhecolandia sub-region of South Pantanal, Brazil
... Salines are circular or elongated on shape. They are natural and alkaline freshwater bodies with large amounts of dissolved sodium carbonate. They are isolated by elevations on the ground and do not connect to other ...
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Periphytic algae dynamics in lentic ecosystems in the Brazilian semiarid
... not responded to changes in hydrological periods (dry and rainy periods). However, the hydrological periods altered the dynamics of periphytic algal community that was dominated by diatoms, cyanobacteria and chlorophytes ...
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Bottom-up regulation of phytoplankton in the Guadiana estuary
... Phytoplankton are key players in the aquatic environment and they can be effectively used to understand and predict the functioning and production of aquatic ecosystems. Give[r] ...
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Impact of the Qualitative and Quantitative Aspects of Human Activity on the Ecosystem: Demonstration through the Use of Ecological Footprint Approach
... At the Rio Conference (Earth Summit) in 1992, Professor William Rees suggests for the first time, in his article "Ecological footprints and Appropriated carrying capacity: what urban economics leaves out" the ...
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High temperatures and absence of light affect the hatching of resting eggs of Daphnia in the tropics
... Biological interactions, such as the presence (kairomones) of vertebrate and invertebrate predators, could also influence the dynamics of the dormant stages. Bozelli et al. (2008) showed hatching delays related to fi sh ...
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