Results 31 to 40 of about 2,996,330 (295)

The local Bifurcation of Dynamic Behavior of Predator-Prey System with Refuge for both Species 

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences
The main purpose of this paper is to study a predator – prey dynamical system consisting of three species prey, specialized predator and generalist predator namely H (t), I (t) and J (t) respectively, w food web and refuge for the prey and specialized ...
Intsar Matlob, Saad Naji
doaj   +1 more source

Evaluating the ecological realism of plant species distribution models with ecological indicator values [PDF]

open access: yes, 2020
Species distribution models (SDMs) are routinely applied to assess current as well as future species distributions, for example to assess impacts of future environmental change on biodiversity or to underpin conservation planning.
Ellenberg H.   +16 more
core   +1 more source

Environmental Implications of the Soil-to-Groundwater Migration of Heavy Metals in Mining Area Hotspots

open access: yesMetals
Groundwater contamination was studied at several hotspot sites in the Majdanpek copper mining area (Serbia). These sites include a milling facility, a metallurgical wastewater treatment plant, a heavy vehicle service area, and a waste disposal site.
Jelena Vesković, Antonije Onjia
doaj   +1 more source

The ecological success of river restoration in Newfoundland and Labrador, Canada: lessons learned

open access: yesEcology and Society, 2023
Despite millions of dollars being spent annually to restore degraded river ecosystems, there exist relatively few assessments of the ecological effectiveness of projects.
Skylar W Skinner   +3 more
doaj   +1 more source

The efficacy of hazardous fuel treatments: A rapid assessment of the economic and ecologic consequences of alternative hazardous fuel treatments [PDF]

open access: yes, 2013
Several persistent questions related to wildfire economics and fuel treatment effectiveness continue to concern federal budget analysts at the Office of Wildland Fire in the U.S. Department of Interior.
Ecological Restoration Institute
core  

North Campus Open Space Restoration Project Annual Monitoring Report: Year 2 (2019) [PDF]

open access: yes, 2020
Born out of a vision shared by the local community, students, faculty, researchers and state and federal agencies, the North Campus Open Space (NCOS) restoration project is recreating more than 40 acres of estuarine and palustrine wetlands that ...
Cheadle Center for Biodiversity and Ecological Restoration   +2 more
core  

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Changing Farmers' Perception towards Sustainable Horticulture: A Case Study of Extension Education in Farming Community in Yogyakarta, Indonesia

open access: yesAgraris: Journal of Agribusiness and Rural Development Research, 2021
Applying sustainable horticulture as an innovation in The Special Region of Yogyakarta (DIY) Indonesia can be a commendable example in agricultural extension education.
Epsi Euriga   +2 more
doaj   +1 more source

Ecological Economics and Human Ecology [PDF]

open access: yes, 2008
While economic theory has been enormously influential since the eighteenth century, the cultural, political and ethical dominance it has gained in the last few decades is unprecedented. Not only has economic theory taken the place of political philosophy and ethical discourse and imposed its own concepts and image of society on other social sciences ...
openaire   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

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