Bioturbator‐stimulated loss of seagrass sediment carbon stocks
نویسندگان
چکیده
منابع مشابه
Impact of mooring activities on carbon stocks in seagrass meadows
Boating activities are one of the causes that threaten seagrass meadows and the ecosystem services they provide. Mechanical destruction of seagrass habitats may also trigger the erosion of sedimentary organic carbon (Corg) stocks, which may contribute to increasing atmospheric CO2. This study presents the first estimates of loss of Corg stocks in seagrass meadows due to mooring activities in Ro...
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Seagrass meadows rank amongst the most productive ecosystems on Earth, growing along tropical and temperate coasts, where they have important structural and biogeochemical functions (Hemminga & Duarte 2000). Seagrasses are clonal plants, which expand into new areas vegetatively by adding modules produced by the meristems located at the rhizome apices, rendering seagrass demographics and product...
متن کاملGrowth and sediment space occupation by seagrass Cymodocea nodosa roots
The development, growth, and space occupation by the canopy and rhizosphere of a temperate Mediterranean seagrass meadow of Cymodocea nodosa, and the possible effects of meadow seasonal development on sediment redox conditions, were examined during the 1998 growth season. The meadow supported maximum biomass of leaves and rhizomes during July, and maximum root biomass in August. The meadow main...
متن کاملActive mineral cycling in a Jamaican seagrass sediment
There was an active cycling of C and N in the sediments underlying a Halodule beaudetti meadow. Intensive C cycling was inferred from high rates of O2 uptake (131 mm01 m-' d-l), CO2 production (199 mm01 m-2 d-l) and sulfate reduction (34 mm01 m-2 d-'). Subsurface input of organic matter was indicated by the high rates of sulfate reduction and the presence of a short-lived organic pool (5 to 10 ...
متن کاملCarbon storage in the seagrass meadows of Gazi Bay, Kenya
Vegetated marine habitats are globally important carbon sinks, making a significant contribution towards mitigating climate change, and they provide a wide range of other ecosystem services. However, large gaps in knowledge remain, particularly for seagrass meadows in Africa. The present study estimated biomass and sediment organic carbon (Corg) stocks of four dominant seagrass species in Gazi ...
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ژورنال
عنوان ژورنال: Limnology and Oceanography
سال: 2018
ISSN: 0024-3590,1939-5590
DOI: 10.1002/lno.11044