Results 31 to 40 of about 4,379 (224)

A simplified two‐station approach for modeling metabolism in dam tailwaters subject to diel flow variation

Limnology and Oceanography: Methods, EarlyView.
Abstract Tailwaters are ubiquitous and highly managed ecosystems whose food webs often rely disproportionately on autochthonous energy. In situ continuous dissolved oxygen data are increasingly being used to estimate gross primary productivity and ecosystem respiration in rivers, but this approach is complicated in tailwaters, where upriver ...
Ian W. Bishop, Bridget R. Deemer, Theodore A. Kennedy, Robert A. Payn, Robert O. Hall Jr., Charles B. Yackulic   +5 more
wiley   +1 more source

Go hard or go home: Major removal of woody vegetation and sediment greatly enhances wetland plant and water beetle diversity recovery in a farmland pond landscape

Ecological Solutions and Evidence
Ponds are important habitats for biodiversity conservation and ecosystem service provisions in farmland settings. Agricultural intensification and cessation of traditional management have resulted in a substantial loss of open‐canopy farmland ponds ...
Ben Siggery, Carl D. Sayer, Emily Alderton, Helen M. Greaves, Peter M. Robinson, Jan C. Axmacher   +5 more
doaj   +1 more source

Ailleurs en Europe - Les plantes aquatiques invasives aux Pays-Bas

Sciences, Eaux & Territoires, 2014
La gestion des plantes aquatiques invasives aux Pays-Bas s'appuie à la fois sur des améliorations de la règlementation, de l'information du public, la mise en place d'un code de conduite signé par de nombreux partenaires publics et privés, et sur des ...
J. VAN VALKENBURG
doaj   +1 more source

Integrating and assessing metacommunity drivers of ecosystem function and resilience in benthic algal systems

Oikos, EarlyView.
Understanding the scales and mechanisms by which species composition interacts with ecosystem functions is critical for forecasting the effects of environmental perturbations on ecosystem services. However, the linkages between what regulates the ecosystem functions of dispersal‐capable networks of communities (metacommunities) and what regulates a ...
Thomas P. Shannon, Evelyn E. Gaiser
wiley   +1 more source

Note – Gestion des Jussies dans le Marais Poitevin

Sciences, Eaux & Territoires, 2014
Le maillage hydraulique dense du réseau hydrographique et la quasi-absence de débit estival font du Marais Poitevin une zone particulièrement favorable aux développements de plantes aquatiques.
N. PIPET, A. DUTARTRE
doaj   +1 more source

A tipping point for tipping points

Oikos, EarlyView.
Tipping points (TPs) – often understood as abrupt changes to a system – have become a popular framework for ecology and environmental science across spatial and temporal scales. The underlying, quantitative foundation of TP theory is built on mathematical models from catastrophe and predator–prey theories.
David G. Jenkins, Alexandria G. Lacoursière   +1 more
wiley   +1 more source

De nouvelles mauvaises herbes en zones humides : les formes terrestres des Jussies invasives sur prairies

Sciences, Eaux & Territoires, 2014
Espèces invasives déjà bien connues car particulièrement problématiques dans les hydrosystèmes, les Jussies (Ludwigia spp.) continuent de surprendre à la fois les gestionnaires et les chercheurs par leurs capacités de colonisation de nouveaux biotopes ...
J. HAURY, J.P. DAMIEN
doaj   +1 more source

Effect of fish meal replacement by Azolla meal on growth performance, hemato‐biochemical and serum parameters in the diet of scale carp, Cyprinus carpio var. communis

Journal of the World Aquaculture Society, 2023
A 12‐week growth experiment was conducted to evaluate the suitability of Azolla cristata as a fish meal (FM) substitute in diets for Cyprinus carpio var. communis fingerlings.
Imtiaz Ahmed, Younis Mohd Khan, Anzar Lateef, Kousar Jan, Aamir Majeed, Manzoor A. Shah   +5 more
doaj   +1 more source

Ecological biomechanics of marine macrophytes

Journal of Experimental Botany, 2022
AbstractMacroalgae and seagrasses in coastal habitats are exposed to turbulent water currents and waves that deform them and can rip them off the substratum, but that also transport essential water-borne substances to them and disperse their propagules and wastes.
openaire   +2 more sources

Development and Improvement of Habitat Suitability Criteria for Instream Habitat Assessments Conducted in Support of Environmental Flows in Florida

River Research and Applications, EarlyView.
ABSTRACT Florida's regulatory framework requires the establishment of minimum flows to protect aquatic ecosystems and water resources from significant harm. One of the primary methods used to evaluate significant harm is assessment of instream habitat, which relies on Habitat Suitability Criteria (HSC) curves that relate flow regimes and habitat ...
Eric J. Nagid, Kym Rouse Holzwart
wiley   +1 more source