Results 41 to 50 of about 297,183 (98)

Gaps in DNA-Based Biomonitoring Across the Globe

open access: yesFrontiers in Ecology and Evolution, 2019
DNA-based methodology has proven to be a vital tool for ecosystem assessment and monitoring. Increasingly, high-throughput approaches such as DNA metabarcoding are being used to address more complex questions, including ecological network analyses ...
Katie M. McGee   +2 more
doaj   +1 more source

Ecological Theory Origin from Natural to Social Science of Vice Versa? A Brief Conceptual History for Social Work

open access: yesAdvances in Social Work, 2007
The origin of holistic social work and ecological theory was investigated. Emphasis was placed on Howard W. Odum, founding dean of the University of North Carolina School of Public Welfare, and subsequent scholarship by his sons, collaborators on the ...
Karen Smith Rotabi
doaj  

PROTECTING ECOSYSTEMS BY WAY OF BIOLOGICAL CONTROL: CURSORY REFLECTIONS ON THE MAIN REGULATORY INSTRUMENTS FOR BIOLOGICAL CONTROL AGENTS, PRESENT AND FUTURE

open access: yesPotchefstroom Electronic Law Journal, 2013
Although there are numerous threats to ecosystems and the resultant ecosystem services, alien and invasive plants (AIP) have been identified as being one of the major causes of ecosystem destruction.
R Alberts, J Moolman
doaj   +1 more source

Insects and agroecosystems: A review

open access: yesScientific Electronic Archives, 2019
The Agroecosystem can be characterized as the natural ecosystem that is undergoing modifications by the human being, with the purpose of serving as a work unit and agricultural production.
D. H. R. Oliveira   +4 more
doaj   +1 more source

Bisoniana XXI. Food and role of the European bison in forest ecosystems [PDF]

open access: green, 1967
Stanisław Borowski   +2 more
openalex   +1 more source

Biodiversity of genus Orius (Hemiptera: Anthocoridae) in various climate regions and seasons of Kohgiloyeh and Boyerahmad province and evaluation of agro-ecosystem effects on their biodiversity [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2015
The members of genus Orius are known as natural enemies of many of plant pests in the world. We studied the fauna and biodiversity of the family Anthocoridae bugs in different environmental conditions of Kohgiloyeh and Boyrahmad province of Iran ...
H. Davari, A. A. Seraj, A. Rajabpour
doaj  

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