Results 71 to 80 of about 723,578 (197)

Toxicokinetics and bioconcentration of polycyclic aromatic hydrocarbons in freshwater isopods [PDF]

, 1999
A novel method based on a first-order two-compartment model was used to determine the bioconcentration and toxicokinetic rate constants of six different polycyclic aromatic hydrocarbons (PAHs) in the freshwater isopod Asellus aquaticus, a common species ...
Cid Montañés, J.F., Hattum, A.G.M. van
core   +3 more sources

Applying Multifunctionality to U.S. Farm Policy [PDF]

Agricultural and Food Policy,
Freshwater, David
core   +1 more source

Study on the growth and reproduction of Hypophthalmichthys Molitrix in the low reaches of the Yellow River

All Life
This study elucidated the growth and reproductive characteristics of Hypophthalmichthys molitrix in the lower Yellow River. A relationship equation between length (L) and weight (W) was established as W = 2.0 × 10−5 × L3.0037, with maximum limit body ...
Lufeng Sun, Xiuqi Li, Junpeng Wang, Xuri Cong, Yanan Wang, Qingqing Wang, Jianglong Que   +6 more
doaj   +1 more source

ACCESS TO PESTICIDES AS A SOURCE OF TRADE DISPUTE [PDF]

International Relations/Trade,
Freshwater, David, Short, Cameron
core   +1 more source

Differences in early developmental rate and yolk conversion efficiency in offspring of trout with alternative life histories [PDF]

, 2016
Partial migration, in which some individuals of a population migrate while other individuals remain resident, is generally associated with ontogenetic shifts to better feeding areas or as a response to environmental instability, but its underlying ...
Abbott, Allen, Bachman, Berghe, Berthold, Braun, Brockelman, Brodersen, Burton, Burton, Chapman, Cutts, Cutts, Dodson, Dziminski, Eek, Ege, Einum, Elliott, Fleming, Fleming, Forseth, Grayson, Gross, Imre, Jonsson, Jonsson, Jonsson, Kamler, Killen, Kinnison, Leeuwen, Metcalfe, Monaghan, Morinville, Mousseau, Nakano, O'Neal, Olofsson, Olsson, Olsson, Olsson, Paez, Pakkasmaa, Pulido, Quinn, R Core Team, Reid, Reznick, Roff, Rollinson, Rollinson, Rosenfeld, Régnier, Sandell, Skoglund, Sloman, Steffensen, Stevens, Taborsky, Taylor, Taylor, Thorpe, Wysujack   +63 more
core   +1 more source

Management of freshwater fisheries [PDF]

This report found that the Department of Primary Industries is not discharging its legislative responsibilities to deliver balanced and sustainable outcomes for freshwater recreational fisheries.While it is demonstrably delivering improved recreational ...

core  

Freshwater scarcity, interdependence and institutionalism in Jordanian foreign policy: towards conflict or cooperation? [PDF]

, 2013
Freshwater scarcity is an increasingly important aspect of the international relations of the Middle East and North Africa, and is magnified when sources are shared between states.
El-Anis, I
core  

Robust Patterns in Food Web Structure [PDF]

, 2002
We analyze the properties of seven community food webs from a variety of environments--including freshwater, marine-freshwater interfaces and terrestrial environments.
American Physical Society, Camacho Castro, Juan, Guimerà, Roger, Nunes Amaral, Luís A.   +3 more
core   +3 more sources

PIgR and Ig responses in largemouth bass (Micropterus salmoides) following intraperitoneal injection and bath immunization with inactivated Aeromonas hydrophila

Aquaculture Reports
The immunoglobulins (Ig) and polymeric immunoglobulin receptor (pIgR) are crucial in protecting organisms against pathogen invasion. However, further clarification regarding their mucosal immune responses is required, particularly when considering ...
Guojing Xu, Jinlu Zhang, Zhuang Li, Chao Wang, Junxia Gong, Zhizhong Wang, Qinglei Meng, Yongan Zhu   +7 more
doaj   +1 more source

An analysis of Nigerian freshwater fishes: those under threat and conservation options [PDF]

, 2005
The study assessed qualitatively the threat status of all nigerian freshwater fishes using such criteria as rarity, size at maturity, mode of reproduction, human population density, habitat degradation, pollution and range of each species among others ...
Bankole, N.O., Olaosebikan, B.D.
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