Results 61 to 70 of about 1,603 (198)

BTEX induces histopathological alterations, oxidative stress response and DNA damage in the testis of the freshwater leech Erpobdella johanssoni (Johansson, 1927)

open access: yesJournal of King Saud University - Science, 2022
Ichrak Khaled   +7 more
semanticscholar   +1 more source

Molecular Aspect of Annelid Neuroendocrine system

open access: yes, 2007
Hormonal processes along with enzymatic processing similar to that found in vertebrates occur in annelids. Amino acid sequence determination of annelids precursor gene products reveals the presence of the respective peptides that exhibit high sequence ...
Salzet, M.
core   +1 more source

Die Besiedlung von Totholz und anderen Sohlsubstraten der unteren Mulde und mittleren Elbe durch aquatisch lebende Wirbellose [PDF]

open access: yes, 2013
An den Tieflandflüssen Elbe und Mulde wurde im Jahre 2001 die Besiedlung durch aquatisch lebende Wirbellose auf natürlichem und exponiertem Totholz sowie mineralischen Sohlsubstraten (Sand, Kies, Stein) untersucht, um die Bedeutung von Totholz für das ...
Brunke, Matthias, Grafahrend-Belau, Eva
core  

Biological research of Grabia River - fifty years of activity [PDF]

open access: yes, 2005
Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years.
Siciński, Jacek, Tończyk, Grzegorz
core  

KRW-maatlat macrofauna voor zoet getijdenwater (R8). Hoofdrapport [PDF]

open access: yes, 2010
In opdracht van de Waterdienst (voorheen RIZA) is met behulp van de beschikbare RWS gegevens vanaf 1992 voor zoet getijdenwater (R8) een macrofauna maatlat opgesteld waarin oever (litoraal), bodem (profundaal) en sedimentverontreiniging zijn opgenomen ...
Haye, M.A.A., de la   +3 more
core   +1 more source

Qualité biologique des ruisseaux du domaine universitaire du Sart Tilman (Liège, Belgique) – Hétéroptères et Coléoptères aquatiques [PDF]

open access: yes, 2008
Since the ‘60s, a series of biological quality surveys have been conducted on the brooklets at the Sart Tilman campus of the University of Liège. In this paper, we analyse their actual state, and compare the results of our recent field work with those of
Cuppen, Jan   +2 more
core  

Macroinvertebrates, Heavy Metals and PAHs in Urban Watercourses [PDF]

open access: yes, 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.
core  

Ways to Preserve Biological Diversity of Bog Ecosystems within Natural Parks System [PDF]

open access: yes, 2016
Results of field research, GIS-mapping and simulation of ecosystems including relict bogs within the conservation area of a new regional Natural park are represented in the article.
Yudina, Y. V.
core  

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