K. Andersson, M. Trotter, A. Robson, D. Schneider, Lucy Frizell, Ashley Saint, D. Lamb, C. Blore
{"title":"利用主动光学传感器估算牧草生物量","authors":"K. Andersson, M. Trotter, A. Robson, D. Schneider, Lucy Frizell, Ashley Saint, D. Lamb, C. Blore","doi":"10.1017/S2040470017000838","DOIUrl":null,"url":null,"abstract":"We investigated relationship between pasture biomass and measures of height and NDVI (normalised difference vegetation index). The pastures were tall fescue ( Festuca arundinacea ), perennial ryegrass ( Lolium perenne ), and phalaris ( Phalaris aquatica ) located in Tasmania, Victoria and in the Northern Tablelands of NSW, Australia. Using the Trimble® GreenSeeker® Handheld active optical sensor (AOS) to measure NDVI, and a rising plate meter, the optimal model to estimate green dry biomass (GDM) during two years was a combination of NDVI and falling plate height index. The combined index was significantly correlated with GDM in each region during winter and spring (r 2 =0.62–0.77, P","PeriodicalId":7228,"journal":{"name":"Advances in Animal Biosciences","volume":"34 1","pages":"754-757"},"PeriodicalIF":0.0000,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"19","resultStr":"{\"title\":\"Estimating pasture biomass with active optical sensors\",\"authors\":\"K. Andersson, M. Trotter, A. Robson, D. Schneider, Lucy Frizell, Ashley Saint, D. Lamb, C. Blore\",\"doi\":\"10.1017/S2040470017000838\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We investigated relationship between pasture biomass and measures of height and NDVI (normalised difference vegetation index). The pastures were tall fescue ( Festuca arundinacea ), perennial ryegrass ( Lolium perenne ), and phalaris ( Phalaris aquatica ) located in Tasmania, Victoria and in the Northern Tablelands of NSW, Australia. Using the Trimble® GreenSeeker® Handheld active optical sensor (AOS) to measure NDVI, and a rising plate meter, the optimal model to estimate green dry biomass (GDM) during two years was a combination of NDVI and falling plate height index. The combined index was significantly correlated with GDM in each region during winter and spring (r 2 =0.62–0.77, P\",\"PeriodicalId\":7228,\"journal\":{\"name\":\"Advances in Animal Biosciences\",\"volume\":\"34 1\",\"pages\":\"754-757\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"19\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Animal Biosciences\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1017/S2040470017000838\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Animal Biosciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1017/S2040470017000838","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Estimating pasture biomass with active optical sensors
We investigated relationship between pasture biomass and measures of height and NDVI (normalised difference vegetation index). The pastures were tall fescue ( Festuca arundinacea ), perennial ryegrass ( Lolium perenne ), and phalaris ( Phalaris aquatica ) located in Tasmania, Victoria and in the Northern Tablelands of NSW, Australia. Using the Trimble® GreenSeeker® Handheld active optical sensor (AOS) to measure NDVI, and a rising plate meter, the optimal model to estimate green dry biomass (GDM) during two years was a combination of NDVI and falling plate height index. The combined index was significantly correlated with GDM in each region during winter and spring (r 2 =0.62–0.77, P
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