气候变化领域集成服务门户(CCPortal): Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic

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DOI	https://doi.org/10.1594/PANGAEA.872634
	Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic
	Kapsenberg; Lydia; Okamoto; Daniel K; Dutton; Jessica M; Hofmann; Gretchen E
发布日期	2017-02-23
数据集类型	dataset
英文关键词	Animalia ; Benthic animals ; Benthos ; Bottles or small containers/Aquaria ( 20 L) ; Coast and continental shelf ; Echinodermata ; Laboratory experiment ; North Pacific ; Reproduction ; Single species ; Strongylocentrotus purpuratus ; Temperate
英文简介	In the coastal ocean, temporal fluctuations in pH vary dramatically across biogeographic ranges. How such spatial differences in pH variability regimes might shape ocean acidification resistance in marine species remains unknown. We assessed the pH sensitivity of the sea urchin Strongylocentrotus purpuratus in the context of ocean pH variability. Using unique male?female pairs, originating from three sites with similar mean pH but different variability and frequency of low pH (pHT <= 7.8) exposures, fertilization was tested across a range of pH (pHT 7.61?8.03) and sperm concentrations. High fertilization success was maintained at low pH via a slight right shift in the fertilization function across sperm concentration. This pH effect differed by site. Urchins from the site with the narrowest pH variability regime exhibited the greatest pH sensitivity. At this site, mechanistic fertilization dynamics models support a decrease in sperm?egg interaction rate with decreasing pH. The site differences in pH sensitivity build upon recent evidence of local pH adaptation in S. purpuratus and highlight the need to incorporate environmental variability in the study of global change biology.
空间范围	Median Latitude: 39.189800 * Median Longitude: -122.320447 * South-bound Latitude: 34.414230 * West-bound Longitude: -124.058620 * North-bound Latitude: 44.836670 * East-bound Longitude: -119.828520
时间范围	2011-02-01T00:00:00 - 2011-04-30T00:00:00
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/216638
推荐引用方式 GB/T 7714	Kapsenberg,Lydia,Okamoto,et al. Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic.2017-02-23.https://doi.org/10.1594/PANGAEA.872634.