气候变化领域集成服务门户(CCPortal): Biogeochemical investigation of cold seep sediments in the Eastern Mediterranean Sea

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.830241
	Biogeochemical investigation of cold seep sediments in the Eastern Mediterranean Sea
	Pop Ristova; Petra; Wenzhöfer; Frank; Ramette; Alban; Felden; Janine; Boetius; Antje
发布日期	2014-03-03
数据集类型	dataset
英文简介	Cold seep ecosystems are highly productive, fragmented ecosystems of the deep-sea floor. They form worldwide where methane reaches the surface seafloor, and are characterized by rich chemosynthetic communities fueled by the microbial utilization of hydrocarbons. Here we investigated with in situ (benthic chamber, microprofiler) and ex situ (pore water constituents, turnover rates of sulfate and methane, prokaryote abundance) techniques reduced sites from three different seep ecosystems in the Eastern Mediterranean deep-sea. At all three cold seep systems, the Amon Mud Volcano, Amsterdam Mud Volcano and the Nile Deep Sea Fan Pockmark area, we observed and sampled patches of highly reduced, methane-seeping sulfidic sediments which were separated by tens to hundreds of (kilo)meters with non-reduced oxygenated seafloor areas. All investigated seep sites were characterized by gassy, sulfidic sediments of blackish color, of which some were overgrown with thiotrophic bacterial mats. Fluxes of methane and oxygen, as well as sulfate reduction rates varied between the different sites.
空间范围	Median Latitude: 34.459030 * Median Longitude: 30.299094 * South-bound Latitude: 32.533000 * West-bound Longitude: 30.268311 * North-bound Latitude: 35.337667 * East-bound Longitude: 30.356500
时间范围	2009-11-22T21:44:59 - 2009-12-11T18:37:00
语种	英语
国家	国际
学科大类	气候变化
学科子类	气候变化
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/215514
推荐引用方式 GB/T 7714	Pop Ristova,Petra,Wenzhöfer,et al. Biogeochemical investigation of cold seep sediments in the Eastern Mediterranean Sea.2014-03-03.https://doi.org/10.1594/PANGAEA.830241.