Results 81 to 90 of about 162,044 (202)

The development of scree slopes in the English Lake District and Central Québec-Labrador [PDF]

open access: yes, 1961
Ce texte est une étude comparée des talus d'éboulis du Lake District de Grande-Bretagne et de la partie centrale de l'Ungava-Labrador (région de Schefferville).
Andrews, J. T.
core   +1 more source

An integrated approach to balance freshwater connectivity restoration and invasion risk

open access: yesConservation Biology, EarlyView.
Abstract Habitat fragmentation negatively affects many native migratory fish populations. However, this fragmentation can also prevent the spread and establishment of invasive species. We modified the dendritic connectivity index (DCI), a commonly used freshwater connectivity metric, to account for multiple invasive dispersal pathways in estimates of ...
Alex Arkilanian   +3 more
wiley   +1 more source

Dynamique climatique et biodiversité des tourbières de la concession Era Congo dans le territoire d’Inongo (province de Mai-Ndombe) en République Démocratique du Congo

open access: yesRevue Congolaise des Sciences et Technologies
Les tourbières de la République Démocratique du Congo sont essentielles pour la biodiversité et les services écosystémiques. Cette étude réalisée dans la concession Era Congo analyse la dynamique climatique, identifie et évalue la richesse des espèces ...
Glodi Etepe Kakoko   +13 more
doaj   +1 more source

Post‐Release Survival of the Pelagic Stingray (Pteroplatytrygon violacea, Bonaparte, 1832) in French Longline Fisheries in the Northwestern Mediterranean Sea

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Bycatch remains a critical challenge in global fisheries, even when using selective gears such as longlines. In the French longline fishery targeting Atlantic bluefin tuna (Thunnus thynnus) in the Gulf of Lion, the common pelagic stingray (Pteroplatytrygon violacea) is the primary bycatch species.
Antoine Landreau   +5 more
wiley   +1 more source

WHAT IS AN OPTIMAL SCHOOL CLIMATE?

open access: yesStudia Universitatis Moldaviae: Stiinte ale Educatiei, 2014
CE ESTE UN CLIMAT ŞCOLAR OPTIM? Procesul de predare şi învăţare nu ar fi posibil într-un climat dezordonat şi cu o disciplină deficitară. Multe studii au dovedit că, fiind luate măsurile educaţionale potrivite, problemele privind disciplina şi nivelul ...
USM ADMIN
doaj  

Enjeux contemporains en forêt tempérée au Québec — Partie 4 : Les changements climatiques

open access: yesThe Forestry Chronicle
Cet article est le quatrième d’une série qui analyse les enjeux contemporains en forêt tempérée au Québec. Nous y abordons plus précisément les changements climatiques en traçant d’abord un bref portrait du climat historique ainsi que de ses changements ...
Louis Duchesne   +3 more
doaj   +1 more source

Genetic and Ecological Management of Pacific Salmon Fisheries for the 21st Century

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Based on ecological adaptation theory, tremendous effort is being spent on measures that are eliminating salmon hatcheries and fishing opportunities with the intention of protecting wild runs deemed to be of particular genetic importance to the survival of the species.
Randall E. Brummett   +2 more
wiley   +1 more source

The Trade-Climate Nexus: Assessing the European Union’s Institutionalist Approach. College of Europe EU Diplomacy Paper 04/2019 [PDF]

open access: yes, 2019
The European Union (EU) is considered a global leader both in trade and climate policies. Nonetheless, trade liberalisation has been widely criticised for its negative effects on the environment and for directly contributing to the rising levels of ...
Possenti, Simone
core  

Demonstration of an instream flow model to accommodate a threatened tiger beetle in riverine dune habitat

open access: yesInsect Conservation and Diversity, EarlyView.
Burrows of the threatened Gibson's Big Sand Tiger Beetle in riverine dune habitats are susceptible to flooding through managed flows. HEC‐RAS modelling identified the flow thresholds above which flooding would occur for burrows and affect the beetle larvae. These findings provide instream flow guidelines for conserving this threatened species and guide
Iain D. Phillips   +2 more
wiley   +1 more source

The European carbon market (2005-2007): banking, pricing and risk-hedging strategies [PDF]

open access: yes
At the stage of international post-Kyoto negotiations, the adoption of ambitious public policies raises an increasing interest, as society has a whole is more concerned by the scale of damages and the potential irreversibility linked to climate change ...
Julien Chevallier
core  

Home - About - Disclaimer - Privacy