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First reports of associations between spectral properties, chlorophyll, bacterial and zooplankton in two Chilean north Patagonian lakes (Villarrica and Caburgua, 38° S, Araucania region, Chile)
Journal of King Saud University-Science ( IF 3.7 ) Pub Date : 2020-09-11 , DOI: 10.1016/j.jksus.2020.09.003
Patricio De los Rios-Escalante , Angel Contreras , Gladys Lara , Mirtha Latsague , Carlos Esse

The Chilean Patagonian lakes are characterized by their marked oligotrophic or oligomesotrophic status and low zooplankton species abundances, many of these lakes with oligomesotrophic status is associated to human intervention due towns in their shores. The aim of the present study was determine the relations between spectral properties (LANDSAT/OLI), chlorophyll and plankton abundances in two north Patagonian lakes, Villarica, that has two towns in its shore, and Caburgua, that has native forest in its shores as basis of environmental pollution monitoring tools. The results revealed that Villarica lake has high reflectances in near infrared, red and green bands, high chlorophyll (a, b and c) concentrations, and high bacterial and plankton abundances, whereas Caburgua lakes has low reflectance in the same bands, and low chlorophyll concentrations, low bacterial and plankton abundances, with exception to high mixotrophic ciliates. The obtained results agree with limnological observations about both lakes, and the comparison with spectral properties agree with similar observations for glacial north Patagonian lakes about spectral properties and zooplankton community.



中文翻译:

智利北部巴塔哥尼亚北部两个湖泊(维拉里卡和卡博格瓦,南纬38度,智利Araucania地区)的光谱特性,叶绿素,细菌和浮游动物之间的关联的首次报道。

智利巴塔哥尼亚湖的特征是贫营养或低中营养状态,浮游动物物种丰富度低,其中许多低营养状态的湖泊与沿岸城镇的人为干预有关。本研究的目的是确定两个北巴塔哥尼亚湖泊维拉里卡(其海岸有两个城镇)和卡博格瓦(其海岸具有原生森林)的光谱特性(LANDSAT / OLI),叶绿素和浮游生物丰度之间的关系。基础环境污染监测工具。结果表明,比利亚里卡湖在近红外,红色和绿色波段,高叶绿素(a,bc浓度,以及高细菌和浮游生物的丰度,而Caburgua湖在相同谱带中具有低反射率,叶绿素浓度低,细菌和浮游生物的丰度低,除了高混合营养纤毛虫。所获得的结果与对这两个湖泊的湖泊学观察结果一致,并且与光谱性质的比较也与北巴塔哥尼亚冰川湖关于光谱性质和浮游动物群落的相似观察结果相一致。

更新日期:2020-09-29
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