Results 61 to 70 of about 32,393 (253)

Spatial oxygen heterogeneity in a Hediste diversicolor irrigated burrow [PDF]

, 2011
The heterogeneity of oxygen distribution in a Hediste diversicolor burrow environment was investigated in a laboratory experiment using a 6-mm thick tank equipped with oxygen planar optodes. The twodimensional oxygen distribution in a complete burrow was
Cuny, Philippe, Esteves, José Luis, Gilbert, Franck, Pischedda, Laura, Poggiale, Jean-Christophe   +4 more
core   +5 more sources

Artificial light at night and invasive signal crayfish alter aquatic‐terrestrial food webs

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Resource flows across aquatic‐terrestrial boundaries are increasingly affected by multiple stressors, such as artificial light at night (ALAN) and aquatic invasive species, which can alter the availability of resources for consumers.
Collins Ogbeide, Marina Arias, Eric Bollinger, Gemma Burgazzi, Florian Burgis, Alessandro Manfrin, Jens Schirmel, Verena C. Schreiner, Mirco Bundschuh, Ralf Schulz   +9 more
wiley   +1 more source

Coupled ‘storm-flood’ depositional model: application to the Miocene–Modern Baram Delta Province, north-west Borneo [PDF]

, 2016
The Miocene to Modern Baram Delta Province is a highly efficient source to sink system that has accumulated 9 to 12 km of coastal-deltaic to shelf sediments over the past 15 Myr.
Allison, PA, Collins, D, Guilpain, P, Johnson, HD, Razak Damit, A   +4 more
core   +1 more source

Belowground effects of ground‐dwelling large herbivores in forest ecosystems

Journal of Animal Ecology, EarlyView.
This study reviews how ground‐dwelling large herbivores affect forest soil and litter globally. Effects are context‐dependent, vary among species and forest types, and remain poorly studied in tropical forests, highlighting critical gaps in understanding nutrient cycling and ecosystem functioning.
Letícia Gonçalves Ribeiro, Mateus Melo‐Dias, Beatriz Maria Paccas Saraiva, Nacho Villar, Mauro Galetti   +4 more
wiley   +1 more source

Increased Stability in Carbon Isotope Records Reflects Emerging Complexity of the Biosphere

Frontiers in Earth Science, 2019
Preference for certain stable isotopes (isotope fractionation) during enzyme-mediated reactions is a universal aspect of life. For instance, carbon isotopes are fractionated during anabolic (e.g., photosynthate production) and catabolic (e.g ...
Martin Schobben, Bas van de Schootbrugge
doaj   +1 more source

Alteration and release of aliphatic compounds by the polychaete Nereis virens (Sars) experimentally fed with hydrocarbons [PDF]

, 2001
In the laboratory, marine worms were fed with a mixture of algae and several aliphatic hydrocarbons for 15 days. After ingestion by the worms, 34.9% of hydrocarbons are found in the faeces and only 3.1% accumulated in the gut.
Bertrand, Jean-Claude, Deflandre, Bruno, Desrosiers, Gaston, Gagne, Jean-Pierre, Gilbert, Franck, Poggiale, Jean-Christophe, Stora, Georges   +6 more
core   +4 more sources

Mobile consumers influence the shoreward edge of intertidal seagrass ecosystems

Journal of Animal Ecology, EarlyView.
Ecological paradigms suggest that the environmentally stressful edge of a habitat is determined by physical factors. The work finds that, counter to these paradigms, an environmentally stressful edge can also be impacted by biotic interactions and are more complex than suggested.
Stephanie R. Valdez, Carter S. Smith, Catherine L. Brenner, Avery B. Paxton, Brian R. Silliman   +4 more
wiley   +1 more source

Response of microbiota to exogenous inoculation improved the enzymatic activities of medium-temperature Daqu

Frontiers in Microbiology, 2022
To explore the potential mechanism of improving enzymatic activities in medium-temperature Daqu (MTD) by inoculation functional isolates, we inoculated a single strain of Bacillus licheniformis, and the microbiota composed of Bacillus velezensis and ...
Qianglin Pan, Jun Huang, Suyi Zhang, Suyi Zhang, Hui Qin, Hui Qin, Xiaojun Wang, Xiaojun Wang, Yu Mu, Huifang Tang, Rongqing Zhou, Rongqing Zhou   +11 more
doaj   +1 more source

Estratigrafía de Sr y evolución sedimentaria de los depósitos marinos del Mioceno temprano en el antepaís del norte de la Cuenca Austral (o Magallanes), Argentina [PDF]

, 2015
Early Miocene shallow marine deposits in the region of Lago Posadas-Meseta Belgrano (Argentina) represent part of the “Patagoniense” transgression, an Atlantic marine incursion that flooded large part of Patagonia, including the Austral (foreland) Basin (
Alonso Muruaga, Pablo Joaquin, Cuitiño, José Ignacio, Scasso, Roberto Adrian, Ventura Santos, Roberto   +3 more
core   +1 more source

Digging into dirt: Rewilding with threatened mammals shapes soil‐emerging insect assemblages

Journal of Animal Ecology, EarlyView.
By comparing insect communities across treatments at two time points, we show that reintroduced digging mammals shape soil‐emerging insect assemblages. This provides empirical evidence that restoring ecosystem engineers may drive broader community‐level change in semi‐arid ecosystems. Abstract Digging mammals function as ecosystem engineers by altering
Lucy G. Johanson, Peter Contos, Romina Rader, Heloise Gibb   +3 more
wiley   +1 more source