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Jesus Angel Arrate Jorrin

Jesus Angel Arrate Jorrin
Anbiotek SL

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10
Publications
1,967
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112
Citations
Citations since 2016
2 Research Items
48 Citations
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012

Publications

Publications (10)
Article
Full-text available
Multimetric indices based on fish assemblages assessing the ecological status of rivers have been widely developed. Nevertheless, the heterogeneity of environmental conditions, biological assemblages, and human pressures require the development of suitable indices for different regions. In the Iberian Peninsula, where there is a lack of an accurate...
Article
Full-text available
Multimetric indices based on biological communities for the assessment of the ecological status of streams and rivers have recently been developed for many regions. However, local differences in reference conditions, human impacts and biological communities make developing suitable indices for different regions of the world necessary. Thus, our goa...
Article
Full-text available
Biomonitoring methods based on macroinvertebrate assemblages are widely developed in streams and rivers. However, the use of invertebrates has been criticized due to the long time and expense of processing samples. Therefore, we evaluated the effectiveness of reducing the sampling effort from 20 to 5 samples to assess the stream macroinvertebrate c...
Article
The freshwater euryhaline oligochaete Limnodrilus hoffmeisteri was selected for use in bioassays with polluted sediment from Santander Bay. It is easy to culture; is tolerant of low to moderate, up to 15%, salinity; and is common in oligohaline conditions in European and North American estuaries. Worms were collected from an estuarine population an...
Article
Life-history attributes and the reproductive biology of Enchytraeus coronatus (Oligochaeta, Enchytraeidae) were studied in agar cultures, as a basis for using this species in toxicity tests and other experimental studies. The use of agar allows daily examination of the behavior, reproduction, and mortality of the worms. At 20°C, E. coronatus had a...
Article
Full-text available
The formulation and preparation of artificial sediments to be used in chronic toxicity tests is an important issue in the standardisation process. In the present study, artificial sediment has been used with Tubifex tubifex (Tubificidae, Oligochaeta) in both culture and in 28-day toxicity tests with spiked toxicants, in order to avoid the presence...
Article
SummaryUsing Enchytraeus coronatus as a test organism, we have measured the effects of Derosal (carbendazim as active ingredient), 4-nitrophenol and potassium dichromate on survival (Lethal Concentration: LC50) and on several sublethal variables (Effective Concentrations: EC10, EC50 and the No Observed Effective Concentration: NOEC), in chronic aga...
Article
Full-text available
The particle size distribution of faecal pellets produced by the tubificid worm Tubifex tubifex in laboratory culture, was measured with a Coulter Multisizer. The faecal material from worms cultured in a range of sediments was composed of particles with a mean diameter of less than 63 m, and only a few isolated larger particles were found by micros...

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