Results 121 to 130 of about 51,969 (245)

Quantifying Under‐Ice Phytoplankton Blooms in the Changing Arctic and Southern Oceans

open access: yesGeophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Historically, polar marine phytoplankton were thought to primarily grow after the seasonal breakup of sea ice, when there is plentiful light available in the surface ocean. However, observations of substantial productivity under sea ice has called this assumption into question.
Courtney M. Payne   +4 more
wiley   +1 more source

Non-indigenous macroinvertebrate species in Lithuanian fresh waters, Part 1: Distributions, dispersal and future

open access: yesKnowledge and Management of Aquatic Ecosystems, 2012
Biological invasions are of increasing global concern. They impact on biodiversity and may result in high economic loss. This demands improvement in knowledge of the dynamics of species dispersal with the goal of preventing future ...
Arbačiauskas K   +3 more
doaj   +1 more source

Pre-impoundment Limnological Study of the Strawberry River in Northeastern Arkansas [PDF]

open access: yes, 1971
A study of pre-impoundment limnological characteristics of the Strawberry River was made from August, 1967 to June, 1968. Two collecting stations were established, one upstream which would not be inundated and a lower station which would be inundated ...
Harp, George L., Robison, Henry W.
core   +2 more sources

Ecological studies of the aquatic soil invertebrates in three inundation forests of Central Amazonia

open access: yes, 1975
From January 1971 till August 1972 ecological studies were carried out on the aquatic macroinvertebrates of the benthos community of three Central-Amazonian inundation forests.
Irmler, U.
core  

Interannual variability of epibenthic communities in the Chukchi Sea, Alaska [PDF]

open access: yes, 2015
Thesis (M.S.) University of Alaska Fairbanks, 2015Epibenthic communities contain a wide range of organisms and serve an important role in marine ecosystems.
Powell, Kimberly Keeler
core  

Ecosystem Investigation of Zayanderood Dam Lake

open access: yesعلوم آب و خاک, 2020
Benthos play an important role in the transmission of primary production and organic material (detritus) accumulation of the substrate in the water ecosystems to the higher levels of food chain.
E. Ebrahimi   +3 more
doaj  

Biodiversity hotspots on the Dutch Continental Shelf: a marine strategy framework directive perspective [PDF]

open access: yes
This report presenst hotspots of biodiversity for benthos, fish, birds, marine mammals and habitats on the Dutch Continental Shelf. These hotspots are based on a spatial application of biodiversity metrics developed in this study for the GES(Good ...
Bemmelen, R.S.A., van   +11 more
core  

Production of the chironomids of the Uchinsk Reservoir. [Translation of: Methods for the estimation of production of aquatic animals. (Handbook and papers) (ed. G. G. Vinberg) p226-239. Minsk, Vysheishaya Shkola, 1968] [PDF]

open access: yes, 1968
The method of E.V. Borutski was used for determining the production of chironomids, that is, the dynamics of the number and biomass of the larvae were analysed, their death, a calculation of emergence and the number of deposited egg layings was carried ...
Sokolova, N. Y.
core  

Historic Cae Study Maasvlakte 2 - a review of the monitoring plan with focus on adaptive strategies [PDF]

open access: yes
The Maasvlakte 2 (MV2) is a new location for port activities and industry to be created in the North Sea, directly to the west of the current port of Rotterdam and the surrounding industrial area.
Baptist, M.J., Tamis, J.E.
core   +1 more source

Climate variability and El Niño Southern Oscillation: implications for natural coastal resources and management

open access: yes, 2008
The El Niño Southern Oscillation (ENSO) significantly influences marine ecosystems and the sustained exploitation of marine resources in the coastal zone of the Humboldt Current upwelling system.
Heilmayer, O., Laudien, J., Thatje, S.
core   +1 more source

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