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4871 - 4880 of 7260 items
June 2012
The synthetic progestogen, Levonorgestrel, but not natural progesterone, affects male mate calling behavior of Xenopus laevis
Frauke Hoffmann; Werner Kloas
General and Comparative Endocrinology. - 176(2012)3, S. 385-390
June 2012
Effects of environmentally relevant concentrations of the xeno-androgen, methyldihydrotestosterone, on male and female mating behavior in Xenopus laevis
Frauke Hoffmann; Werner Kloas
Chemosphere. - 87(2012)11, S. 1246-1253
June 2012
A simple, rapid method for the production of soluble recombinant proteins from the duplicated growth hormone genes of the tetraploid common carp
Asiya Murakaeva; Klaus Kohlmann
Environmental biotechnology. - 7(2011)2, S. 53-64
May 2012
Bimodal transparency as an indicator for alternative states in South American lakes
Sarian Kosten; Martine Vernooij; Egbert H. van Nes; María de los Á. G. Sagrario; Jan G. P. W. Clevers; Marten Scheffer
Freshwater Biology. - 57(2012)6, S. 1191-1201
May 2012
Limiting factors and thresholds for macroinvertebrate assemblages in European rivers
Jochem Kail; Jens Arle; Sonja C. Jähnig
Ecological Indicators. - 18(2012), S. 63-72
May 2012
The effect of metals on photosynthesis processes and diatom metrics of biofilm from a metal-contaminated river
Natàlia Corcoll; Berta Bonet; Soizic Morin; Ahmed Tlili; Manel Leira; Helena Guasch
Ecological Indicators. - 18(2012), S. 620-631
May 2012
Polyphasic characterization of cyanobacteria isolated from desert crusts, and the description of Desertifilum tharense gen. et sp. nov. (Oscillatoriales)
Pawan K. Dadheech; Raeid M. M. Abed; Huda Mahmoud; M. Krishna Mohan; Lothar Krienitz
Phycologia. - 51(2012)3, S. 260-270
May 2012
Wheat gluten and potato protein concentrate - promising protein sources for organic farming of rainbow trout (Oncorhynchus mykiss)
K. Tusche; S. Arning; S. Wuertz; A. Susenbeth; C. Schulz
Aquaculture. - 344-349(2012), S. 120-125
May 2012
Acute toxicity and histopathology of channel catfish fry exposed to peracetic acid
David L. Straus; Thomas Meinelt; Bradley D. Farmer; Benjamin H. Beck
Aquaculture. - 342-343(2012), S. 134-138
May 2012
Improvement of aquatic vegetation in urban waterways using protected artificial shallows
Arnd Weber; Sven Lautenbach; Christian Wolter
Ecological Engineering. - 42(2012), S. 160-167