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Biological organisation

Known as: Levels of Organization (anatomy), Levels of biological organisation, Ecological organisation 
Biological organization is the hierarchy of complex biological structures and systems that define life using a reductionistic approach. The… Expand
Wikipedia

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2010
Highly Cited
2010
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. . . . . . 9 Selenium is a global problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Case studies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Conceptual model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 How to investigate a potential selenium problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Workgroup 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Environmental partitioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Workgroup 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Bioaccumulation and trophic transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Workgroup 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Selenium toxicity to aquatic organisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Workgroup 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Risk characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Importance of problem formulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Risk characterization: Unique challenges concerning selenium . . . . . . . . . . . . . . . . . . 26 Risk management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Uncertainties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Overall Workshop Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Appendix: SETAC Pellston Workshop Participants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 List of Figures Figure 1 Conceptual model depicting Se dynamics and transfer in aquatic ecosystems . . . . . . . . . . . . .11 Figure 2 Hierarchy of effects across levels of biological organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Figure 3 Potential sources of Se to aquatic systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Figure 4 Selenium species associated with major processes in aquatic systems . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Figure 5 Partitioning of Se among environmental compartments in a typical aquatic system. . . .16 Figure 6 Selenium enrichment and trophic transfer in aquatic food webs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Figure 7 Selenium accumulation in different species of algae, invertebrates, and fish . . . . . . . . . . . . . . . .20 Figure 8 Conceptual pathway of Se transfer in aquatic ecosystems and relative certainty with which Se concentrations in environmental compartments can be assessed in making accurate characterizations of risk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 List of Tables Table 1 Assessment endpoints and measures of exposure and effect for aquatic and aquaticlinked organisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Table 2 Uncertainties and recommendations for future research pertaining to toxicity of Se species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Ecological Assessment of Selenium in the Aquatic Environment 4 
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Highly Cited
2007
Highly Cited
2007
Abstract Detecting individuals of amphibian and reptile species can be a daunting task. Detection can be hindered by various… Expand
Highly Cited
2006
Highly Cited
2006
The first special volume of Limnology and Oceanography, published in 1972, focused on whether phosphorus (P) or carbon (C) is the… Expand
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Highly Cited
2005
Highly Cited
2005
It is argued that the problem of pattern and scale is the central problem in ecology, unifying population biology and ecosystems… Expand
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Highly Cited
2005
Highly Cited
2005
  • D. Morris
  • Evolutionary Ecology
  • 2005
  • Corpus ID: 514811
SummaryDensity-dependence provides a causal link between processes acting at different levels of ecological organization. The… Expand
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Highly Cited
2004
Highly Cited
2004
The cross-tabulation matrix is a fundamental starting point in the analysis of land change, but many scientists fail to analyze… Expand
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Highly Cited
2002
Highly Cited
2002
Abstract The Siwalik formations of northern Pakistan consist of deposits of ancient rivers that existed throughout the early… Expand
Highly Cited
2001
Highly Cited
2001
Global climate change is frequently considered a major conservation threat. The Earth's climate has already warmed by 0.5 8 C… Expand
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Highly Cited
2000
Highly Cited
2000
Summary 1. Dynamic energy budget (DEB) models describe how individuals acquire and utilize energy, and can serve as a link… Expand
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