Results 61 to 70 of about 21,396 (176)

European Neighbourhood Policy:Strategy or Placebo?. CEPS Working Documents, No. 215, 1 November 2004 [PDF]

open access: yes, 2004
The EU now faces an existential dilemma in the apparent choice to be made between over-extending the enlargement process to the point of destroying its own governability, versus denying one of its founding values to be open to all European democracies ...
Emerson, Michael
core  

Investigation possibility culture of shrimp Litopenaeus vannamei with brackish water of Caspian Sea in Mazandaran Province

open access: yes, 2017
Whiteleg shrimp (Litopenaeus Vannamei) is one of the most important species for aquaculture development, because of tolerance and adaptation to different ecological conditions. The aim of this study was determine the bionormative parameters of vannamei shrimp culture using Caspian Sea brakish water in Mazandaran province and also possibility of ...
Pourgholam, Reza   +6 more
openaire   +3 more sources

Eastern Europe and the Former Soviet Union since the Fall of the Berlin Wall: Review of the Changes in the Environment and Natural Resources [PDF]

open access: yes
This paper reviews the environmental record of the transition countries of Eastern Europe and Central Asia since the fall of the Berlin Wall, with a focus on areas of key concern to public policy at the present time.
Anil Markandya, Wan-Jung Chou
core  

A historical review of the shad fisheries of North America [PDF]

open access: yes, 1953
A review of the relative productivity and value of the shad fisheries of North America as reflected in recorded commercial catches. A review of reasons for the decline that are biological and socioeconomic.
Kolb, Haven, Mansueti, Romeo
core  

Study on environmental of Litopenaeus vannamei (Boone, 1931) ponds culture with brackish water of Caspian Sea

open access: yes, 2018
Different studies on Litopenaeus vannamei (Boone, 1931) has performed in Iran, but less noted in water quality conditions. Water quality, in addition to creating optimal environment for the growth of vannamei shrimp, as well as cause the live food production and improve economic performance are produced.
Salehi, Aliakbar   +11 more
openaire   +3 more sources

Blood parameters of Caspian brown trout (Salmo trutta caspius) fingerlings affected by dietary L-ascorbyl-2-polyphosphate [PDF]

open access: yes, 2016
This study was aimed to evaluate the effect of L-ascorbyl-2-polyphosphate as a dietary ascorbic acid source on blood parameters of Caspian brown trout (Salmo trutta caspius), including red blood cell (RBC) count, white blood cell (WBC) and WBC ...
Arab, N.   +4 more
core  

Analysis of factor costs contribution change for fingerling production of kutum fish (Rutilus frisii kutum Kamensky, 1901) in Iran [PDF]

open access: yes, 2011
Contribution change of factor costs analysis may help managers in decision making and in adjusting to changes. Over the last two decades, production and enhancement of kutum fingerlings have increased in Iran, reaching to more than 229 million ...
Salehi, H.
core  

The Primary cell culture from caudal fin tissue of Caspian Kutum (Rutilus frisii kutum)

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2019
In the present study, the primary cell lines were derived from caudal fin explants of the Caspian Kutum (Rutilus frisii kutum), using two treatments (tissue culturing without enzyme and after trypsin treatment). For this purpose, pieces of caudal fin tissue (1 millimeter cubic) were isolated from 10 healthy young fish with an average weight of 12±1 g ...
openaire   +1 more source

A Stability Pact for the Caucasus in Theory and Practice - A Supplementary Note. CEPS Working Document No. 152, September 2000 [PDF]

open access: yes, 2000
In response to appeals of the leaders of the South Caucasus for a Stability Pact for the region, CEPS published in May 2000 a consultative document with a comprehensive proposal (available on www.ceps.be).
Emerson, Michael   +2 more
core  

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