Results 91 to 100 of about 14,017,981 (247)

Non-Catastrophic Endogenous Growth with Pollution and Abatement [PDF]

open access: yes
When there are pollution externalities the competitive equilibrium is not Pareto-optimal nor environmentally sustainable even if abatement activities are endogenously decided.
J.Aznar-Márquez, J.R. Ruiz-Tamarit
core  

The application of network analysis to assess the structure and function of aquatic food webs : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Ecology at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2017
The health of aquatic communities is under threat globally by anthropogenic impacts. A healthy ecological community is one that maintains its structure and function over time in the face of disturbance (i.e., they are stable).
Canning, Adam Douglas
core  

Assessing ecological function in the context of species recovery

open access: yesConservation Biology, 2019
Species interactions matter to conservation. Setting an ambitious recovery target for a species requires considering the size, density, and demographic structure of its populations such that they fulfill the interactions, roles, and functions of the ...
H. Akçakaya   +10 more
semanticscholar   +1 more source

Cement hardening reshapes soil microbial diversity, network stability and ecological functions of industrial area

open access: yesFrontiers in Microbiology
Rapid expansion of industrialization increased the area of impermeable cement layers, disrupting substance and energy exchanges between soil and atmosphere.
Xiaodong Hao   +8 more
doaj   +1 more source

Non Catastrophic Endogenous Growth with Pollution and Abatment [PDF]

open access: yes
When there are pollution externalities the competitive equilibrium is not Pareto-optimal nor environmentally sustainable even if abatment activities are endogenously decided.
J., AZNAR-MARQUEZ   +1 more
core  

Three Types of Spatial Function Zoning in Key Ecological Function Areas Based on Ecological and Economic Coordinated Development: A Case Study of Tacheng Basin, China

open access: yesChinese Geographical Science, 2019
Three types of spatial function zoning is an effective measure for regional environmental protection and orderly development. For ecological and economic coordinated development, spatial function zones should be divided scientifically to clear its ...
Guiling Wang   +4 more
semanticscholar   +1 more source

Effects of different fire slash artificial promotion regeneration and natural material regeneration on ecological function

open access: yesFrontiers in Ecology and Evolution
IntroductionIn the aftermath of a fire, prompt reforestation of the affected areas is crucial to mitigate economic losses and ecological impacts.MethodsThis paper introduces an ecological function assessment model leveraging the Back Propagation Neural ...
Xiaojing Cai, Falin Liu
doaj   +1 more source

Effects of Bothriochloa ischaemum on the Diversity of Pannonian Sandy Grasslands

open access: yesLand
Changes in land use and agricultural practices have altered the resilience of plant communities and can lead to the emergence of invasive species. One of these is the perennial grass species Bothriochloa ischaemum (L.) Kleng., whose diversity-reducing ...
Szilárd Szentes   +6 more
doaj   +1 more source

Urban stream microbial communities show resistance to pharmaceutical exposure

open access: yesEcosphere, 2018
Residues of pharmaceuticals are increasingly detected in surface waters throughout the world. In four streams in Baltimore, Maryland, USA, we detected analgesics, stimulants, antihistamines, and antibiotics using passive organic samplers.
E. J. Rosi   +5 more
doaj   +1 more source

Spatio - temporal evolution trajectories and dynamic interactions of arable land multifunctionality in China’s major grain-producing regions

open access: yesFrontiers in Environmental Science
Promoting the multifunctional utilization of arable land in major grain-producing regions has become a crucial measure for China to safeguard food production security. Systematically analyzing the developmental evolution characteristics and dynamic trade-
Xiaowei Xing, Xiaowei Xing, Feng Lu
doaj   +1 more source

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