Results 61 to 70 of about 53,341 (241)

Danube cooperation in the field of climate change and position of the republic of Serbia in the water resources management [PDF]

open access: yesMegatrend Revija, 2015
The paper discusses the thesis that the basic factor that determines the policy of RS on climate change is defined by the possibilities of cooperation between the countries of the Danube basin.
Todić Dragoljub, Grbić Vladimir
doaj   +1 more source

Relationship between the environment and the occurrence of invasive pumpkinseed Lepomis gibbosus in lotic and lentic habitats

open access: yesJournal of Fish Biology, EarlyView.
Abstract The pumpkinseed Lepomis gibbosus is a freshwater fish species native to North America. It has been introduced to Europe, where it is recognized as one of the worst aquatic invaders due to its high adaptability and invasive potential. This study aimed to determine the presence of L. gibbosus in small to medium‐sized water bodies, both lotic and
Ivan Špelić   +2 more
wiley   +1 more source

Prediction of oxygen regime indicators in Danube river

open access: yesЛюдина і довкілля: Проблеми неоекології
Purpose. To identify the dynamics of the oxygen regime of the Danube River and to develop a model for forecasting the oxygen regime of the Danube based on the analysis of biochemical oxygen demand (BOD) and reaeration processes, taking into account the ...
V. L. Bezsonnyi   +3 more
doaj   +1 more source

Speciation of European bullheads (Cottus spp.): The next problem for taxonomy of northern freshwater fishes

open access: yesJournal of Fish Biology, EarlyView.
Abstract High morphological and ecological diversity displayed by European bullheads led Freyhof et al. (2005) to describe 15 nominal species. However, the basis for declaring these nominal species is contentious due to a lack of rigorous statistical analysis of morphological variations among populations, limitations in the inferences made from ...
David S. Murray   +3 more
wiley   +1 more source

The Terrestrialization of Amphibious Life in a Danube Delta \u27Town on Water\u27 [PDF]

open access: yes, 2019
Visitors to the Danube Delta town of Vylkove, known as the “Ukrainian Venice,” are often disappointed by the condition its 40 kilometers of canals, which frequently resemble over-grown ditches that are often impassible by boat.
Richardson, Tanya
core   +1 more source

Temperature effects from hydropeaking impair egg and larval development in Danube salmon Hucho hucho and brown trout Salmo trutta

open access: yesJournal of Fish Biology, EarlyView.
Abstract Hydropeaking is considered an important stressor for salmonids and other species in rivers affected by hydropower. In this study, we investigated the in situ effects of hydropeaking on the survival of eggs and larvae of fall spawning brown trout as well as spring spawning Danube salmon.
Julius Gorenz   +3 more
wiley   +1 more source

THE REMOVAL OF THE 'IRON GATES' OF THE RIVER DANUBE. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers, 1895
n ...
openaire   +2 more sources

Proliferative Kidney Disease and Viral Pathogens in Wild Brown Trout (Salmo trutta) Populations in the Czech Republic

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Populations of wild brown trout (Salmo trutta) have been in long‐term decline across Central Europe, including the Czech Republic, with multiple factors, such as habitat alteration, climate change, predation and emerging diseases, implicated.
Miroslava Palíková   +10 more
wiley   +1 more source

The distribution of native and introduced species of crayfish in Austria [PDF]

open access: yes, 1999
This account concentrates on the six species of crayfish found in Austria, and the current state of knowledge on their distribution and laws affecting conservation.
Pockl, Manfred
core  

Governing Transnational Commons: How International Treaties and Multi‐Stakeholder Organizations Shape Cooperation and Conflict

open access: yesJournal of Management Studies, EarlyView.
Abstract When common‐pool resources such as freshwater, clean air, and fisheries span national borders, the collective action problems encountered are particularly severe. This study explores the role of polycentric governance systems in overcoming these pressing problems, which frequently underlie global grand challenges. Integrating political economy
Amol M. Joshi   +4 more
wiley   +1 more source

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