Results 91 to 100 of about 1,763 (196)

Impact of tank background on the welfare of the African clawed frog, Xenopus laevis (Daudin) [PDF]

open access: yes, 2016
The captive environment of a laboratory animal can profoundly influence its welfare and the scientific validity of research produced. The African clawed frog (Xenopus laevis) is a common model organism, however current husbandry guidelines lack ...
Coleman, Robert C.   +5 more
core   +1 more source

Creating Biomimetic Bouligand Architectures for Biomedical and Healthcare Applications

open access: yesInterdisciplinary Materials, Volume 4, Issue 4, Page 539-567, July 2025.
Hierarchical Bouligand structures, evolved in nature for mechanical/functional advantages, are now replicated via various of strategies, including self‐assembly, biomimetic mineralization, shear brushing, electrostatic spinning, 3D printing, etc. Engineered architectures enable breakthroughs in bone regeneration, tooth repair, body protection, and ...
Hongye Yang   +5 more
wiley   +1 more source

Características limnológicas da coluna d'água e dos efluentes de viveiros de criação de camarões-da-amazônia Limnological characteristics of the water column and effluents of Amazon river prawn ponds

open access: yesRevista Brasileira de Zootecnia, 2010
Os objetivos neste trabalho foram caracterizar os efluentes de viveiros de Macrobrachium amazonicum criados em diferentes densidades de cultivo e analisar a variação nictemeral (24 horas) do perfil vertical da temperatura e da saturação de oxigênio da ...
Gustavo Gonzaga Henry-Silva   +3 more
doaj   +1 more source

Australian environmental issues : an overview. [PDF]

open access: yes, 1998
Australia is experiencing significant environmental problems both on land and in its marine areas and several of these problems are interconnected. Clearing of trees and woodland is still substantial and apart from adding to CO2 emissions, has a number ...
Tisdell, C. A. (Clement Allan)
core  

Ecological studies on some lakes of the Amazon valley

open access: yes, 1967
Of the three types of lakes studied, clear water, white water, and brown water, the white water lakes are the only ones to have a reasonable autochtonous production of organic matter. Owing probably to the lack of mineral salts, the primary production is
Marlier, G.
core  

Inland fisheries: a valuable resource [PDF]

open access: yes, 2016
The value of small-scale inland fisheries lies in its ability to provide essential protein, micronutrients, vitamins and fats for millions of people, particularly in developing ...
Bartley, Devin M.   +4 more
core  

Background matching in the brown shrimp Crangon crangon : adaptive camouflage and behavioural-plasticity [PDF]

open access: yes, 2018
A combination of burrowing behaviour and very efficient background matching makes the brown shrimp Crangon crangon almost invisible to potential predators and preys.
A Barbiero   +76 more
core   +1 more source

Implications of differences between temperate and tropical freshwater ecosystems for the ecological risk assessment of pesticides [PDF]

open access: yes
Despite considerable increased pesticide use over the past decades, little research has been done into their fate and effects in surface waters in tropical regions.
Brink, P.J., van den, Daam, M.A.
core   +2 more sources

A baseline appraisal of water-dependant ecosystem services, the roles they play within desakota livelihood systems and their potential sensitivity to climate change [PDF]

open access: yes, 2008
This report forms part of a larger research programme on 'Reinterpreting the Urban-Rural Continuum', which conceptualises and investigates current knowledge and research gaps concerning 'the role that ecosystems services play in the livelihoods of the ...
Gosling, Simon   +4 more
core  

State of the Great Barrier Reef World Heritage Area Workshop : proceedings of a technical workshop held in Townsville, Queensland, Australia, 27-29 November 1995 [PDF]

open access: yes, 1997
State of the Environment Reporting is increasingly being seen as an important part of environmental management and is required at the national level as well as within several states.
Davis, K., Oliver, J., Wachenfeld, D.R.
core  

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