Search Results - Stream ecology.

Ecological risk assessment of pesticides in sediments of Pampean streams, Argentina by Fernández San Juan, M.R., Lavarías, S.M.L., Aparicio, Virginia Carolina, Larsen, K.E., Colman Lerner, J.E., Cortelezzi, A.

“…The objective of this work was to detect and quantify pesticide residues in the sediment of rural streams in the Pampas region and to carry out acute and chronic risk assessment in these aquatic ecosystems. …”
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Spawning site selection of brown trout in habitat restored streams by Svensson, Jonas

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Hydro-ecology: Linking hydrology and aquatic ecology by Acreman, M.C.

Subjects: “…ecology…”
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Freshwater pearl mussel as indicators of Swedish streams - a comparison between freshwater pearl mussel and biological quality elements by Forsell, Kristin

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Effects of forest harvesting on the hydrology of boreal streams by Kuglerová, Lenka

“…All these factors result in changes in the dynamic of streams draining operational forests. This thesis reports on the changes in the stream regimes during a three year period after forest harvesting, performed in March 2006, at the Balsjö Catchment study in Northern Sweden. …”
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The effects on DOC export to boreal streams, caused by forestry by Holm, Erik

“…The thesis is about forestry and its effects on the export of Dissolved Organic Carbon (DOC) to stream water. Forestry is of large importance for the Swedish society and important for our economy. …”

The effects of forest clear-cutting on stream water DOC by Dahl, Ida

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Evaluating abundance of deciduous trees in production forests along small stream by Åström, Jessica

“…Riparian zones are important for many ecological functions such as for providing shade to streams and leaf litter to instream organisms, as well as acting as filters for sediments and excess nutrients that are released during forestry operations. …”
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Monensin occurrence in surface water and its impact on aquatic biota in a stream of the southeast Pampas, Argentina by Pérez, Débora Jesabel, Okada, Elena, Iturburu, Fernando, De Geronimo, Eduardo, Canton, German Jose, Aparicio, Virginia Carolina, Costa, Jose Luis, Menone, Mirta Luján

“…In this study, we developed a method for the extraction and quantification of monensin in surface water; then, we evaluated the occurrence of monensin in a stream impacted by different animal husbandry’s operations, and then, we analyzed the ecological implications of monensin residues on aquatic organisms using the risk quotient (RQ) method. …”
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Plants vs. Streams: Their groundwater‐mediated competition at “El Morro”, a developing catchment in the dry plains of Argentina by Jobbagy Gampel, Esteban Gabriel, Lorenzo, Santiago, Buono, Nicolás, Páez, Ricardo, Diaz, Yésica, Marchesini, Victoria, Nosetto, Marcelo Daniel

“…Intense ecological and geomorphological transformations in this catchment exposed the interplay of five mechanisms governing evapotranspiration/streamflow partition including (i) unsaturated uptake and both (ii) riparian and (iii) distributed uptake from the saturated zone by plants, as well as (iv) deepening incisions and (v) sediment deposits over riparian zones by streams. …”
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Sediment transport in small streams is related to riparian buffer width : a comparison between wide and narrow riparian buffers by Staaf, Rasmus

Ecotoxicological Impact of Agro-Industry on Streams From a South American Basin: Amphibian Tadpoles as Indicators of Environmental Health by Cuzziol Boccioni, Ana Paula, Lajmanovich, Rafael, Repetti, María Rosa, Attademo, Andres M., Zalazar, Cristina Susana, Manassero, Agustina, Russell-White, Karen, Lancelle, María V., Muchiutti, Ayelén Andrea, Leon, Evelina J., Peltzer, Paola

“…Toxicity bioassays on Rhinella arenarum tadpoles were performed to analyze ecotoxicological effects. Sediment from LC stream had the highest glyphosate concentration recorded in South American (5002 μg/kg). …”
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Estimating ungauged stream flows based on model regionalization: examples from the mountainous, semi-arid Karkheh River Basin, Iran by Masih, Ilyas, Uhlenbrock, Silke, Maskey, S., Ahmad, Mobin-ud-Din, Islam, Aminul

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Snow cover and precipitation impacts on dry season streamflow in the Lower Mekong Basin by Cook, B.I., Bell, Andrew, Anchukaitis, K.J., Buckley, B.M.

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Variations in bioavailability of dissolved organic matter during a spring flood episode in northern Sweden by Eriksson, Tobias

A molecular survey of bacterial species in the guts of black soldier fly larvae (Hermetia illucens) reared on two urban organic waste streams in Kenya by Shumo, M., Khamis, F.M., Ombura, F.L.O., Tanga, C.M., Fiaboe, K., Subramanian, S., Ekesi, S., Schluter, O.K., Borgemeister, C.

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Influence of temperature on selected life-history traits of black soldier fly (Hermetia illucens) reared on two common urban organic waste streams in Kenya by Shumo, M., Khamis, F.M., Tanga, C.M., Fiaboe, K.K.M., Subramanian, S., Ekesi, S., Huis, A. van, Borgemeister, C.

“…Thus, it is possible to take advantage of the readily available SG waste streams in the urban environments of Kenya to produce BSF larvae-derived livestock feed within a short duration of time and at relatively high temperatures.…”
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Development and application of the FISHTRAC real-time remote monitoring tool for digital twinning of river basins in southern Africa by Kaiser-Reichel, A., Burnett, M., Dickens, Christopher, McNiel, T., Retief, H., Süßle, V., Garcia Andarcia, Mariangel, O’Brien, G. C.

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Estimating shallow groundwater availability in small catchments using streamflow recession and instream flow requirements of rivers in South Africa by Ebrahim, Girma Yimer, Villholth, Karen G.

Subjects: “…stream flow…”
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Spatial patterns of Dissolved Organic Matter in Swedish Surface Waters by Lackner, Anna

“…In changing the stream initiation size of the modeled streams from 10 ha to a smaller area needed for stream initiation of 2 ha the stream systems length in Sweden showed a mean increase by 41% while increasing stream initiation size to 30ha decreased the stream network length by 46%. …”