{"title":"干旱的安第斯山脉中部(阿根廷西北部)水生生境类型之间的大型无脊椎动物组合变化","authors":"","doi":"10.1016/j.jaridenv.2024.105266","DOIUrl":null,"url":null,"abstract":"<div><div><strong>Andean macroinvertebrate diversity, habitat association and trophic structure</strong>. The Central Andes harbour globally unique species due to its complex topography, altitude gradients, and mountain orientations. Puna and High-Andean ecoregions of Argentina, part of the Central Andes, are among the world's driest areas. Despite the recognized importance for biodiversity of the scarce Andean aquatic ecosystems, knowledge about their invertebrate fauna remains limited. The objective of this study was to identify the benthic macroinvertebrate diversity associated with the diverse types of water bodies and their water quality characteristics in high altitude environments. Four aquatic habitat types were defined based on characteristics of their water flow: rivers and streams (RS, lotic), peatlands (P, minimum current flow), shallow salty pool (SSP, lentic) and shallow brackish lagoons (L, lentic). Significant differences were detected in conductivity (EC), and dissolved oxygen (DO) between aquatic habitat types. Ninety-five taxa and 4 phyla were registered: Arthropoda, Nematoda, Mollusca and Annelida. Insecta class represented 83% of the total richness of arthropods, being Diptera dominant with 47 taxa, followed by Coleoptera and Ephemeroptera. Richness was explained by water flow, DO and EC. Taxonomic composition differed between aquatic habitat types. Collector-gatherers and predators were dominant, indicating a dependence on the shore vegetation and hydrophytes.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":null,"pages":null},"PeriodicalIF":2.6000,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Macroinvertebrate assemblage variations among aquatic habitat types across the arid Central Andes (Northwest Argentina)\",\"authors\":\"\",\"doi\":\"10.1016/j.jaridenv.2024.105266\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div><strong>Andean macroinvertebrate diversity, habitat association and trophic structure</strong>. The Central Andes harbour globally unique species due to its complex topography, altitude gradients, and mountain orientations. Puna and High-Andean ecoregions of Argentina, part of the Central Andes, are among the world's driest areas. Despite the recognized importance for biodiversity of the scarce Andean aquatic ecosystems, knowledge about their invertebrate fauna remains limited. The objective of this study was to identify the benthic macroinvertebrate diversity associated with the diverse types of water bodies and their water quality characteristics in high altitude environments. Four aquatic habitat types were defined based on characteristics of their water flow: rivers and streams (RS, lotic), peatlands (P, minimum current flow), shallow salty pool (SSP, lentic) and shallow brackish lagoons (L, lentic). Significant differences were detected in conductivity (EC), and dissolved oxygen (DO) between aquatic habitat types. Ninety-five taxa and 4 phyla were registered: Arthropoda, Nematoda, Mollusca and Annelida. Insecta class represented 83% of the total richness of arthropods, being Diptera dominant with 47 taxa, followed by Coleoptera and Ephemeroptera. Richness was explained by water flow, DO and EC. Taxonomic composition differed between aquatic habitat types. Collector-gatherers and predators were dominant, indicating a dependence on the shore vegetation and hydrophytes.</div></div>\",\"PeriodicalId\":51080,\"journal\":{\"name\":\"Journal of Arid Environments\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.6000,\"publicationDate\":\"2024-10-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Arid Environments\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0140196324001460\",\"RegionNum\":3,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Arid Environments","FirstCategoryId":"93","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0140196324001460","RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ECOLOGY","Score":null,"Total":0}
Macroinvertebrate assemblage variations among aquatic habitat types across the arid Central Andes (Northwest Argentina)
Andean macroinvertebrate diversity, habitat association and trophic structure. The Central Andes harbour globally unique species due to its complex topography, altitude gradients, and mountain orientations. Puna and High-Andean ecoregions of Argentina, part of the Central Andes, are among the world's driest areas. Despite the recognized importance for biodiversity of the scarce Andean aquatic ecosystems, knowledge about their invertebrate fauna remains limited. The objective of this study was to identify the benthic macroinvertebrate diversity associated with the diverse types of water bodies and their water quality characteristics in high altitude environments. Four aquatic habitat types were defined based on characteristics of their water flow: rivers and streams (RS, lotic), peatlands (P, minimum current flow), shallow salty pool (SSP, lentic) and shallow brackish lagoons (L, lentic). Significant differences were detected in conductivity (EC), and dissolved oxygen (DO) between aquatic habitat types. Ninety-five taxa and 4 phyla were registered: Arthropoda, Nematoda, Mollusca and Annelida. Insecta class represented 83% of the total richness of arthropods, being Diptera dominant with 47 taxa, followed by Coleoptera and Ephemeroptera. Richness was explained by water flow, DO and EC. Taxonomic composition differed between aquatic habitat types. Collector-gatherers and predators were dominant, indicating a dependence on the shore vegetation and hydrophytes.
期刊介绍:
The Journal of Arid Environments is an international journal publishing original scientific and technical research articles on physical, biological and cultural aspects of arid, semi-arid, and desert environments. As a forum of multi-disciplinary and interdisciplinary dialogue it addresses research on all aspects of arid environments and their past, present and future use.