Results 11 to 20 of about 68,873 (261)

Recreational beneficiaries and their landscape dependencies across national estuary program sites: Tillamook Bay (OR) and Tampa Bay (FL), USA

open access: yesEcosystems and People, 2023
This study aims to characterize the value associated with nature-based recreational opportunities and identify estuarine attributes most valued by users.
Chanda Jones Littles   +3 more
doaj   +1 more source

Ecologically Rational Agency [PDF]

open access: yes, 2010
The concept of dual rationality in human agents is well understood. It is significant in the work of the economist and Nobel Laureate Friedrich Hayek. In psychology Sigmund Freud described 'dual information processing'. More recently in cognitive science Daniel Levine has extensively studied the dual mechanisms in the human brain that handle these two ...
John K. Debenham, Carles Sierra
openaire   +2 more sources

Patterns in and predictors of stream and river macroinvertebrate genera and fish species richness across the conterminous USA

open access: yesKnowledge and Management of Aquatic Ecosystems, 2023
Both native and non-native taxa richness patterns are useful for evaluating areas of greatest conservation concern. To determine those patterns, we analyzed fish and macroinvertebrate taxa richness data obtained at 3475 sites collected by the USEPA's ...
Hughes Robert M.   +5 more
doaj   +1 more source

Hierarchical classification system of Germany’s ecosystems as basis for an ecosystem accounting – methods and first results [PDF]

open access: yesOne Ecosystem, 2020
Information on changes in the area of different ecosystems is needed in order to establish an accounting system for ecosystem conditions and services. Currently, there are no comprehensive field mappings for the German federal states that obey a uniform ...
Karsten Grunewald   +6 more
doaj   +3 more sources

Evaluation of qualitative attributes of forest ecosystems by means of numerical quantifiers

open access: yesJournal of Forest Science, 2007
This paper presents a proposal of four variants of quantifiers for the numerical expression of qualitative attributes of forest ecosystems, for example site, naturalness, biodiversity, ecological stability, threat of injurious agents, status of forest ...
Š. Šmelko, M. Fabrika
doaj   +1 more source

Coupling the dual isotopes of water (δ 2H and δ 18O) and nitrate (δ 15N and δ 18O): a new framework for classifying current and legacy groundwater pollution

open access: yesEnvironmental Research Letters, 2021
Nitrate contamination of groundwater is a concern globally, particularly in agricultural regions where decades of fertilizer nitrogen (N) use has led to a legacy of N accumulation in soils and groundwater.
Julie N Weitzman   +4 more
doaj   +1 more source

Genus-level, trait-based multimetric diatom indices for assessing the ecological condition of rivers and streams across the conterminous United States

open access: yesEcological Indicators, 2022
Taxonomic inconsistency in species-level identifications has constrained use of diatoms as biological indicators in aquatic assessments. We addressed this problem by developing diatom multimetric indices (MMIs) of ecological condition using genus-level ...
Luisa Riato   +6 more
doaj   +1 more source

Professional Agency in the Ecology of Wrongdoing

open access: yes, 2018
This study offers an account of individual agency within a constructivist view of professional wrongdoing. The main contribution is a model in which the neglected role of individual professionals is foregrounded, offering the basis for testable propositions about future misconduct.
Harrington, Brooke   +1 more
openaire   +4 more sources

Designing and validating an assessment agency questionnaire for EFL teachers: an ecological perspective

open access: yesLanguage Testing in Asia, 2023
Teacher agency is a pivotal element of professionalism and second/foreign language (L2) education. However, its role in L2 assessment has remained under-researched. Part of this negligence is due to the absence of a validated questionnaire to measure the
Farhad Ghiasvand   +2 more
doaj   +1 more source

Can Restoration of the Commons Reduce Rural Vulnerability? A Quasi-Experimental Comparison of COVID-19 Livelihood-based Coping Strategies among Rural Households in Three Indian States

open access: yesInternational Journal of the Commons, 2022
India has been hard hit by the COVID-19 pandemic. In the context of a larger quasi-experimental impact assessment, we assess the pandemic’s effects on household coping behavior in 80 villages spread across four districts and three states (n = 772).
Karl Alan Hughes   +8 more
doaj   +1 more source

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