Results 91 to 100 of about 1,001,571 (236)

Spatial dynamics of synthetic microbial mutualists and their parasites.

open access: yesPLoS Computational Biology, 2017
A major force contributing to the emergence of novelty in nature is the presence of cooperative interactions, where two or more components of a system act in synergy, sometimes leading to higher-order, emergent phenomena.
Daniel R Amor   +3 more
doaj   +1 more source

Atmospheric Monitoring Strategy for Ground Testing of Closed Ecological Life Support Systems [PDF]

open access: yes
This paper reviews the evolution and current state of atmospheric monitoring on the International Space Station to provide context from which we can imagine a more advanced and integrated system. The unique environmental hazards of human space flight are
Cavenall, Ivan   +2 more
core   +1 more source

Competing associations in six-species predator-prey models

open access: yes, 2005
We study a set of six-species ecological models where each species has two predators and two preys. On a square lattice the time evolution is governed by iterated invasions between the neighboring predator-prey pairs chosen at random and by a site ...
Bray A J   +14 more
core   +1 more source

Using the model of closed-loop economy in certain branches of the agro-industrial complex

open access: yesПищевые системы
From agricultural production to domestic consumption of products, the food industry produces huge amounts of waste every year, which leads to contamination of soil, water and air.
I. V. Petrunina, N. A. Gorbunova
doaj   +1 more source

Critical Realism and Ecological Economics: Counter-Intuitive Adversaries or Ostensible Soulmates? [PDF]

open access: yes, 2016
The paper questions the compatibility of critical realism with ecological economics. In particular, it is argued that there is radical dissonance between ontological presuppositions of ecological economics and critical realist perspective. The dissonance
Likavčan, Lukáš
core  

Coupled evolutionary rates shape a Hawaiian insect-symbiont system

open access: yesBMC Genomics
Background The Hawaiian Pariaconus psyllid radiation represents a unique system to study the co-evolution of nuclear, mitochondrial, and endosymbiont genomes.
Patrick H. Degnan   +2 more
doaj   +1 more source

Functional Diversity and Ecosystem Services of Birds in Productive Landscapes of the Colombian Amazon

open access: yesDiversity
The expansion of anthropogenic activities drives changes in the composition, structure, and spatial configuration of natural landscapes, influencing both the taxonomic and functional diversity of bird communities. This pattern is evident in the Colombian
Jenniffer Tatiana Díaz-Cháux   +3 more
doaj   +1 more source

Marine Protected Areas: Country Case Studies on Policy, Governance and Institutional Issues [PDF]

open access: yes, 2011
This document presents case studies of the policy, governance and institutional issues of marine protected areas (MPAs) in South America (Northeastern)-Brazil; India, Palau and Senegal.
Christophe Breuil   +5 more
core  

Publications of the NASA Controlled Ecological Life Support System (CELSS) Program, 1979-1989 [PDF]

open access: yes
Publications of research sponsored by the NASA Controlled Ecological Life Support System (CELSS) Program from 1979 to 1989 are listed. The CELSS Program encompasses research and technology with the goal of developing an autonomous bioregenerative life ...
Powers, Janet V., Wallace, Janice S.
core   +1 more source

Inventory and Characterization of the Riparian Zone of the Current and Jacks Fork Rivers [PDF]

open access: yes, 1998
The ecological, recreational, and economic value of the 134 mile (216 km) riparian corridor within the Ozark National Scenic Riverways (ONSR) is of great interest to land managers and conservationists.
Lyon, Jonathan, Sagers, Cynthia L.
core   +2 more sources

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