Concept information
Preferred term
BIANZO II
Definition
- BIANZOII will investigate biodiversity patterns of the Antarctic zoobenthos and their causal processes for three representative groups of different size categories: nematodes (meiobenthos), amphipods (macrobenthos) and echinoids (megabenthos). Trophodynamic aspects of these benthic groups and their ability to cope with temperature and temperature-related changes (food composition and availability, pH of the seawater...) will be studied mainly in an experimental approach. Information collected in previous studies and in the first two work packages will be used to initiate the development of a model about the possible changes in the benthic communities due to global environmental change. Expected results and/or products are: 1. An improved knowledge of the composition and biogeography of the target groups in poorly known parts of the Southern Ocean, e.g. the deep-sea and a recently collapsed ice shelf east of the Antarctic Peninsula; 2. An improved knowledge of species diversity and distribution patterns and similarities with oceans worldwide; 3. A better understanding of the trophic position of the three benthic taxa; 4. An evaluation of the share of prokaryotes in benthic energy flows through amphipods; 5. An estimation of metabolic rates of scavenger amphipods based on respiration and excretion measurements; 6. Characterization of the trophic categories of Antarctic echinoids and feeding plasticity of selected taxa; 7. Measuring the effect of seawater acidification on the skeletogenesis of selected taxa. BIANZO II is IPY activity #391. It is part of CAML (Census of Antarctic Marine Life) and contributes to SCAR EBA (Evolution and Biodiversity in the Antarctic). The partners are also involved in other IPY projects: ANDEEP-SYSTCO and ClicOPEN. BIANZO II is also involved in SCAR-MarBIN. http://www.belspo.be/belspo/fedra/proj.asp?l=en&COD=SD/BA/02A (en)
Broader concept
- A - C (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/36261f8e-7b4f-4405-b0f9-a9faea4fb527
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