Results 81 to 90 of about 72,863 (247)

Factors Controlling Diurnal Distribution and Migation of Zooplankton in the Littoral Zone of Freshwater Lakes [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2009
Species diversity of zooplankton in the littoral zone of lakes is higher than pelagic zone due to presence of the genus Chydoridae и Macrotricidae. The most of cladoceran species which are considered as pelagic are typical in the littoral zone.
Vitaliy P. Semenchenko   +1 more
doaj  

Marine Protected Areas and Pelagic Fishing: The Case of the Chagos Archipelago [PDF]

open access: yes, 2011
This editorial elaborates on the ramifications of the new Chagos Marine Reserve in the context of pelagic ...
Charles Sheppard
core  

Long-term monitoring of size and feeding of resident yearlings of threespine stickleback (leiurus morph) in the littoral zone of Lake Azabachye (Kamchatka River basin)

open access: yesИзвестия ТИНРО, 2018
Resident morph of threespine stickleback Gasterosteus aculeatus is an important competitor for food for sockeye salmon juveniles in their freshwater period of life.
V. F. Bugaev, T. L. Vvedenskaya
doaj   +1 more source

The Protection and Management of the Sargasso Sea [PDF]

open access: yes, 2017
The Sargasso Sea is a fundamentally important part of the world's ocean, located within the North Atlantic sub-tropical gyre with its boundaries defined by the surrounding currents.

core  

The large scale impact of offshore wind farm structures on pelagic primary productivity in the southern North Sea

open access: yes, 2018
The increasing demand for renewable energy is projected to result in a 40-fold increase in offshore wind electricity in the European Union by 2030. Despite a great number of local impact studies for selected marine populations, the regional ecosystem ...
Kerimoglu, Onur   +5 more
core   +1 more source

Sr-Nd-Pb-Hf isotope results from ODP Leg 187: Evidence for mantle dynamics of the Australian-Antarctic Discordance and origin of the Indian MORB source [PDF]

open access: yes, 2002
New high precision PIMMS Hf and Pb isotope data for 14–28 Ma basalts recovered during ODP Leg 187 are compared with zero-age dredge samples from the Australian-Antarctic Discordance (AAD).
Alvarez   +77 more
core   +2 more sources

Buffer Zone Degradation and Plankton Dynamics in Northern and Northeastern Parts of Lake Tana, Ethiopia: Implications for a Tropical Highland Lake Ecosystem

open access: yesAquaculture, Fish and Fisheries
Lake Tana, a UNESCO World Biosphere Reserve Lake. The lake contains 50% of Ethiopia's freshwater and fertile land, which favoured urbanization, agriculture and irrigation, impacting its ecosystem.
Degsera Aemro   +4 more
doaj   +1 more source

First record of an Odontaspidid shark in Ascension Island waters [PDF]

open access: yes, 2019
The occurrence of the poorly understood shark species Odontapsis ferox is reported at an oceanic seamount in the central south Atlantic, within the Exclusive Economic Zone of Ascension Island.
Burgess, George H.   +3 more
core   +2 more sources

Efecto de la estructuración por macrófitas y por recursos alimentarios en la distribución horizontal de tecamebas y rotíferos en un lago andino patagónico Effect of macrophytes and food resources on the horizontal distribution of testate amoebae and rotifers in an Andean-Patagonian lake

open access: yesRevista Chilena de Historia Natural, 2007
La presencia de macrófitas en la zona litoral lacustre trae aparejada condiciones diferentes con respecto a la zona pelágica, en particular en la disponibilidad de recursos. Por esta razón, las zonas litorales pueden presentar una mayor biodiversidad. En
MARCELA BASTIDAS-NAVARRO   +1 more
doaj  

Ichthyofauna of the reservoirs of Central Vietnam

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2012
Species composition, distribution and abundance of fish in the pelagic and littoral zone of four reservoirs of Central Vietnam (Suoi Chau, Kam Lam, Da Ban and Suoi Dau) were studied first.
I. A. Stolbunov
doaj   +1 more source

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