Results 261 to 270 of about 305,558 (359)

Hydrological seasonality is a major driver of ecosystem metabolism in tropical nonwadeable rivers

open access: yesLimnology and Oceanography, EarlyView.
Abstract Studies of annual patterns of ecosystem metabolism in rivers have primarily been conducted in temperate ecosystems, and little is known about metabolic regimes of tropical rivers. We estimated ecosystem metabolism in four nonwadeable rivers in southern México that varied in size and the extent of human disturbance.
María M. Castillo   +4 more
wiley   +1 more source

River metabolism regimes across large environmental gradients

open access: yesLimnology and Oceanography, EarlyView.
Abstract Rivers process up to half of the terrestrial organic carbon before it reaches the oceans, playing an essential role in the global carbon cycle. However, little is known of the seasonal and regional patterns of riverine biological activity as most river ecosystem metabolism studies have been carried out at short spatial and temporal scales.
Amaia A. Rodeles   +2 more
wiley   +1 more source

Climate change impacts to upwelling and shallow reef nutrient sources across an oceanic archipelago

open access: yesLimnology and Oceanography, EarlyView.
Abstract Upwelling delivers key nutritional and energetic subsidies to coral reef communities that affect the growth, abundance, and ecology of organisms across trophic levels. However, the cross‐scale oceanographic and atmospheric drivers of localized upwelling on many reefs remain unresolved, limiting our ability to predict how climate change might ...
Danielle L. Spring   +7 more
wiley   +1 more source

Effects of oligotrophication on fish growth: Insights from a mesocosm experiment

open access: yesLimnology and Oceanography, EarlyView.
Abstract Human activities can frequently affect aquatic ecosystems in irreversible ways, with flow regulation and water quality being major concerns. Dams can promote the retention of sediments and nutrients, increase water transparency, and reduce primary productivity, all of which characterize the oligotrophication process.
Juliana Deo Dias   +3 more
wiley   +1 more source

Energy Landscapes of Model Knotted Polymers. [PDF]

open access: yesJ Chem Theory Comput
Hao T   +4 more
europepmc   +1 more source

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