DIGN
发表于 2025-3-21 19:37:39
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Digest
发表于 2025-3-21 22:24:07
,Ecology in ecotoxicology: some possible ‘rules of thumb’,ing design and requires detailed ecological knowledge of the subjects for sensible interpretation of results and for the long-term maintenance of cultures to support testing programmes. Relevance again involves a detailed understanding of the effect observed and its relationship to possible adverse
monologue
发表于 2025-3-22 04:15:23
Using demographic theory, community ecology and spatial models to illuminate ecotoxicology,ols for such practical work. Fortunately, this undistinguished record for ecotoxicology promises to improve as a result of three rapidly advancing branches of ecological theory. The theoretical innovations that promise to make ecotoxicology a more predictive science are: (1) applications of stage-an
enfeeble
发表于 2025-3-22 05:37:42
Indirect effects: concepts and approaches from ecological theory,ctly through the effects of the causal agent on other species. Examples are presented of simple indirect effects that have been studied by theoretical ecologists. The possible use of both empirical studies and ecosystem models to predict indirect effects of one species on another is discussed. Both
摘要
发表于 2025-3-22 09:47:01
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Defiance
发表于 2025-3-22 14:29:19
Coping with variability in environmental impact assessment, founded on careful study and rigorous analysis. Assessments of environmental impacts are often based on the presumption of a ‘balance of nature’. Environments vary in time and space, however, and this invalidates the assumption of equilibrium and complicates study design. Natural variability also i
Defiance
发表于 2025-3-22 17:46:02
Environmental stress and the distribution of traits within populations,xamine the meaning of the term ‘sensitivity’ as used by ecologists versus toxicologists. In toxicology, the sensitivity of a population to an environmental stress is described by the location (e.g. mean or median) of the trait distribution with reference to an environmental gradient, whereas in ecol
条约
发表于 2025-3-22 23:15:57
Donald J. Baird,Lorraine Maltby,Peter E. T. Douben
书法
发表于 2025-3-23 03:32:04
umptions of a steady-state equilibrium in time or space and may be of limited value. Other designs that involve comparisons among paired sites or multiple-time sampling from areas exposed to different perturbation intensities have greater capacity to separate the effects of natural variation from th
懒惰人民
发表于 2025-3-23 05:49:54
,Die Studie „Leadership Excellence“,from the fields of molecular genetics, physiology, whole organism energetics, population biology and ecosystem ecology, suggesting that changes in the variance of population attributes may indicate a general symptom of environmental stress. Stress-caused increases in biological variability will decr