Results 31 to 40 of about 62,336 (302)

Trophic status and fish production potential of Golbolagh Lake (West of Kurdistan Province) [PDF]

open access: yesبوم‌شناسی آبزیان, 2017
The estimation of fish potential production and trophic status are two important and necessary parts of fisheries management in lakes. This study was conducted to determinate the trophic status and fish production potential of Golbolagh Lake, for one ...
Habibollah Mohammadi   +5 more
doaj  

Estuarine Fish Feeding Changes as Indicator to Mangrove Restoration Success in Seasonal Karstic Wetlands

open access: yesFrontiers in Forests and Global Change, 2022
The loss of mangrove areas due to anthropogenic activities has triggered efforts to recover or restore these ecosystems, their functions, and associated diversity.
Lesli C. Hernández-Mendoza   +2 more
doaj   +1 more source

Dietary breadth and trophic position of introduced European catfish Silurus glanis in the River Tarn (Garonne River basin), southwest France [PDF]

open access: yes, 2010
Although being a widely introduced and successfully established species, the European catfish Silurus glanis L. (the world’s third largest freshwater fish) remains poorly studied in its introduced areas.
Syvaeranta, Jari   +7 more
core   +1 more source

Relationship between phytoplankton structure and environmental variables in tropical reservoirs with different trophic states [PDF]

open access: yesActa Botânica Brasílica
Phytoplankton structure is influenced by environmental factors, seasonal cycles and the trophic state of the system. The objective of the present study was to identify guilds of phytoplankton species that are representative of seasonality and trophic ...
Simone Alves de Oliveira   +2 more
doaj   +2 more sources

Defining the “to” in end-to-end models [PDF]

open access: yes, 2009
Robust models relating climate change to fish production require an adequate description of planktonic intermediaries between phytoplankton and fish in end-to-end models.
Davis, Cabell, Mitra, Aditee
core   +1 more source

THE CONTENT OF CHLOROPHYLL-Α IN THE LAKES OF THE PRIMORSKY LOWLAND OF DAGESTAN AND THEIR TROPHIC STATUS

open access: yesЮг России: экология, развитие, 2014
Eutrophication of water bodies, especially small, has become a ubiquitous problem. In this connection the efforts of the experts is increasingly aimed at the search for the methods of monitoring, prediction and control of this undesirable and dangerous ...
M. M. Rasulova   +2 more
doaj   +1 more source

Water quality assessment, trophic classification and water resources management

open access: yes, 2010
Quantification of water quality (WQ) is an integral part of scientifically based water resources management. The main objective of this study was comparative analysis of two approaches applied for quantitative assessment of WQ: the trophic level index ...
Gal, Gideon   +4 more
core   +1 more source

Algae as indicator to assess trophic status in Dokan Lake, Kurdistan region of Iraq.

open access: yesZanco Journal of Pure and Applied Sciences, 2019
This survey was related to study the algal status of Dokan Lake to evaluate the trophic status of lake productivity. Data for application of phytoplankton compound quotient (PCQ) equations and dominant genus scores were collected from previous studies ...
Janan Jabbar Toma
doaj   +1 more source

The Trophic Status of the Lubuk Lampam Floodplain in South Sumatera, Indonesia

open access: yesMakara Journal of Science, 2016
The Lubuk Lampam floodplain’s ecosystem is naturally affected by the fluctuation of the water surface. This ecosystem also receives anthropogenic substances such as nutrients and other chemicals, especially from the oil palm plantation and its industrial
Dade Jubaedah   +3 more
doaj   +1 more source

Do trophic subsidies affect the outcome of introductions of a non-native freshwater fish?

open access: yes, 2013
Understanding how environmental variables and human disturbances influence the outcomes of introductions of non-native freshwater fish is integral to their risk management. This can be complex in freshwater ecosystems that receive subsidies that increase
Allen, R.   +7 more
core   +1 more source

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