Results 31 to 40 of about 154,421 (313)

Spatial-Temporal Variation Characteristics and Influencing Factors of Vegetation in the Yellow River Basin from 2000 to 2019

open access: yesAtmosphere, 2021
Vegetation is a crucial and intuitive index that can be used to evaluate the ecological status. Since the 20th century, land use has changed significantly in Yellow River Basin (YRB), along with great changes of vegetation, serious soil erosion, and ...
Peirong Shi   +5 more
doaj   +1 more source

Bridging the gap in marine and terrestrial studies [PDF]

open access: yes, 2015
Ecologists are interested in understanding natural phenomena and strive to make comparisons across systems to better understand broad ecological processes and patterns.
Munguia, P.   +3 more
core   +1 more source

A holistic approach to studying social-ecological systems and its application to southern Transylvania

open access: yesEcology and Society, 2014
Global change presents risks and opportunities for social-ecological systems worldwide. Key challenges for sustainability science are to identify plausible future changes in social-ecological systems and find ways to reach socially and environmentally ...
Jan Hanspach   +11 more
doaj   +1 more source

Ecological and genetic correlates of long-term population trends in the Park Grass Experiment [PDF]

open access: yes, 2002
The Park Grass Experiment (PGE) is the longest observed set of experimental plant communities in existence. Although the gross composition of the vegetation was at equilibrium over the 60-yr period from 1920 to 1979, annual records show that individual ...
Silvertown, J.   +11 more
core   +1 more source

Zwischen Ökologisierung des Gewässerschutzes und Kommerzialisierung der Wasserwirtschaft: Neue Handlungsanforderungen an Raumplanung und Regionalpolitik

open access: yesRaumforschung und Raumordnung, 2009
The paper analyses two parallel, but distinct, trends of water management in Germany — the ecological orientation of water protection and the commercialisation of water services — in terms of their relevance for spatial development.
Timothy Moss
doaj   +1 more source

Ecological specialization and population trends in European breeding birds

open access: yesGlobal Ecology and Conservation, 2020
Successful conservation strategies depend on the correct identification of animal species and populations at a higher risk of extinction. But not all species are equally sensitive to environmental changes.
Federico Morelli   +2 more
doaj   +1 more source

Ecological trends at animal husbandry nitrogen utilization [PDF]

open access: yesBiotechnology in Animal Husbandry, 2015
The aim of current work was a part of study for animal husbandry effects on emissions of greenhouse gases and some mitigation strategies between the end of XX and the beginning of XXI century.
Krastev K.
doaj  

Distribution Characteristics and Ecological Risk Assessment of Heavy Metals in Marine Sediments of Binhai County, Jiangsu Province

open access: yesJournal of Marine Science and Engineering, 2022
In recent years, research on heavy metals has become very popular, because the status of heavy metals can reflect the marine environment of a region. Based on this, this paper carries out the evaluation and analysis of heavy metals in marine sediments ...
Shu Chen   +6 more
doaj   +1 more source

Social-Ecological Guilds: Putting People into Marine Historical Ecology

open access: yesEcology and Society, 2011
Marine historical ecology provides historic insights into past ocean ecosystems that are crucial to effectively confronting the declining health and resilience in marine ecosystems.
Janna M. Shackeroff   +2 more
doaj   +1 more source

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