Changes in feeding biology of Nile tilapia, Oreochromis niloticus (L.), after invasion of water hyacinth, Eichhornia crassipes (Mart.) Solms, in Lake Victoria, Kenya [PDF]
, 1999 Oreochrimis niloticus (L.) was introduced to Lake victoria in the 1950s. It remained relatively uncommon in catches until 1965, when the numbers began to increase dramatically.
Njiru, M.
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Macroinvertebrates, Heavy Metals and PAHs in Urban Watercourses [PDF]
, 2001 Good quality stream water and sediments are crucial for the support of healthy stream flora and fauna but urban runoff degrades watercourses leaving a legacy of pollution in the stream sediments.
Beasley, G., Kneale, P.
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Determination of water quality in lakes by biological indices [PDF]
, 1980 Some problems of evaluation of water quality by biological indices which can be applied in the practice of ecological monitoring on water bodies are considered in this report.
Nikolaev, I.I.
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, 1977 Lago Tupé is a black water "ria lake". It is connected with the Rio Negro throughout the year and shows similarly large fluctuations in water level, amounting to nearly 8 m in 1971.
Reiss, F.
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Final Report: Buffalo National River Ecosystems [PDF]
, 1975 The objective of this study was to sample the Buffalo River on a seasonal basis for a year, in order to determine whether any potential water quality problems ...
Babcock, R. E. +9 more
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Soil biological quality of grassland fertilized with adjusted cattle manure slurries in comparison with organic and inorganic fertilizers [PDF]
, 2009 We studied the effect of five fertilizers (including two adjusted manure slurries) and an untreated control on soil biota and explored the effect on the ecosystem services they provided.
Bloem, J. +6 more
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WISER Deliverable D3.3-2: The importance of invertebrate spatial and temporal variation for ecological status classification for European lakes [PDF]
European lakes are affected by many human induced disturbances. In principle, ecological theories predict that the structure and functioning of benthic invertebrate assemblage (one of the Biological Quality Elements following the Water Framework ...
Bader, S. +13 more
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On the Terrestrial Earthworm Fauna of Yamagata Prefecture, northeastern Japan [PDF]
, 2012 We conducted to collect earthworms in order to clarify the earthworm fauna of Yamagata Prefecture. We could collect 16 species belonging to two families including two undescribed species from six localities.
FUKUDA Tatsuya +2 more
core +1 more source
Effects of earthworms on soil organic matter and nutrient dynamics at a landscape scale over decades [PDF]
, 2004 International audienceThis chapter synthesizes information on the effects of earthworms on soil systems at scales longer than 1 year, and earthworm behavior that may affect these processes is ...
André, Jean +8 more
core +2 more sources
Isle of Rum Earthworm Conference [PDF]
, 2014 In collaboration with Scottish Natural Heritage (Isle of Rum) and the University of Rzeszow, the Earthworm Research Group (ERG) from UCLan organised a conference in the Inner Hebrides in May 2014. This involved oral and poster presentations, field visits
Butt, Kevin Richard, Kostecka, Joanna
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