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Microplastic concentrations in two Oregon bivalve species: Spatial, temporal, and species variability
Limnology and Oceanography Letters ( IF 7.8 ) Pub Date : 2019-11-12 , DOI: 10.1002/lol2.10124 Britta R. Baechler 1 , Elise F. Granek 1 , Matthew V. Hunter 2 , Kathleen E. Conn 3
Limnology and Oceanography Letters ( IF 7.8 ) Pub Date : 2019-11-12 , DOI: 10.1002/lol2.10124 Britta R. Baechler 1 , Elise F. Granek 1 , Matthew V. Hunter 2 , Kathleen E. Conn 3
Affiliation
Microplastics are an ecological stressor with implications for ecosystem and human health when present in seafood. We quantified microplastic types, concentrations, anatomical burdens, geographic distribution, and temporal differences in Pacific oysters (Crassostrea gigas) and Pacific razor clams (Siliqua patula) from 15 Oregon coast, U.S.A. sites. Microplastics were present in organisms from all sites. On average, whole oysters and razor clams contained 10.95 ± 0.77 and 8.84 ± 0.45 microplastic pieces per individual, or 0.35 ± 0.04 pieces g−1 tissue and 0.16 ± 0.02 pieces g−1 tissue, respectively. Contamination was quantified but not subtracted. Over 99% of microplastics were fibers. Material type was determined using Fourier‐transform infrared spectroscopy. Spring samples contained more microplastics than summer samples in oysters but not razor clams. Our study is the first to document microplastics in Pacific razor clams and provides important coast‐wide data to compare microplastic burden across species, seasons, and sites.
中文翻译:
俄勒冈州双壳类物种中的塑料含量:空间,时间和物种变异性
当存在于海鲜中时,微塑料是一种生态压力源,对生态系统和人类健康具有影响。我们对美国俄勒冈州15个站点的太平洋牡蛎(Crassostrea gigas)和太平洋剃须蛤(Siliqua patula)的微塑性类型,浓度,解剖负担,地理分布和时间差异进行了量化。在所有地点的生物中都存在微塑料。平均而言,整个牡蛎和剃刀蛤每个人含有10.95±0.77和8.84±0.45个微塑料碎片,或0.35±0.04个g -1组织和0.16±0.02个g -1组织。污染被量化但未被减去。超过99%的微塑料是纤维。使用傅立叶变换红外光谱法确定材料类型。牡蛎中春季样品比夏季样品中含有更多的微塑料,但剃刀蛤中不含。我们的研究首次记录了太平洋剃刀蛤中的微塑性,并提供了重要的海岸数据来比较物种,季节和地点之间的微塑性负担。
更新日期:2019-11-12
中文翻译:
俄勒冈州双壳类物种中的塑料含量:空间,时间和物种变异性
当存在于海鲜中时,微塑料是一种生态压力源,对生态系统和人类健康具有影响。我们对美国俄勒冈州15个站点的太平洋牡蛎(Crassostrea gigas)和太平洋剃须蛤(Siliqua patula)的微塑性类型,浓度,解剖负担,地理分布和时间差异进行了量化。在所有地点的生物中都存在微塑料。平均而言,整个牡蛎和剃刀蛤每个人含有10.95±0.77和8.84±0.45个微塑料碎片,或0.35±0.04个g -1组织和0.16±0.02个g -1组织。污染被量化但未被减去。超过99%的微塑料是纤维。使用傅立叶变换红外光谱法确定材料类型。牡蛎中春季样品比夏季样品中含有更多的微塑料,但剃刀蛤中不含。我们的研究首次记录了太平洋剃刀蛤中的微塑性,并提供了重要的海岸数据来比较物种,季节和地点之间的微塑性负担。