{"title":"通过避免安第斯高原热带森林的砍伐来减少排放","authors":"H. J. Andrade, M. Segura, Erika A. Escobar","doi":"10.22267/rcia.223901.168","DOIUrl":null,"url":null,"abstract":"Deforestation and forest degradation, mainly in areas with high carbon density, is one of the most important source of greenhouse gases (GHG). The impact of deforestation on carbon storage in total biomass and its CO2 emissions is analyzed in four land covers in the Santuario de Fauna y Flora Iguaque (SFFI), Boyacá, Colombia. A total of 32 temporal sampling plots (TSP) of 250m2 was established to measure trees with diameter at breast height (dbh) ³ 10 cm whereas 17 TSP of 36m2 were established to measure total and stipe height of all frailejones (Espeletia boyacensis Cuatrec, E. tunjana Cuatrec and E. cf. Incana). Above and belowground biomass was estimated with allometric models, whereas carbon was calculated using the 0.47 fraction. The sampling area was proportional to the area of each land cover: open heathlands and moorlands (OMH), dense heathlands and moorlands (DMH), broad-leaved forest with continuous canopy, not on mire (BFCC), natural grassland prevailingly without trees and shrubs (NSWT). BFCC and DMH showed higher carbon storage in biomass (55 and 27Mg C/ha, respectively). SFFI stored around 135.9Gg C, from which 25-38Gg CO2e could be emitted to the atmosphere in the 20 next years if the deforestation rates continue. BFCC and OMH are the covers with the highest potential of CO2 emissions to the atmosphere. Therefore, prioritizing the preservation of these ecosystems by Reducing Emissions from Deforestation and Degradation (REDD+) programs, is a key to counter the effects of climate change and ensure the supply of ecosystemic services that support local communities’ livelihoods.","PeriodicalId":211714,"journal":{"name":"Revista de Ciencias Agrícolas","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Reduction of emissions by avoided deforestation in andean high-land tropical forests\",\"authors\":\"H. J. Andrade, M. Segura, Erika A. Escobar\",\"doi\":\"10.22267/rcia.223901.168\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Deforestation and forest degradation, mainly in areas with high carbon density, is one of the most important source of greenhouse gases (GHG). The impact of deforestation on carbon storage in total biomass and its CO2 emissions is analyzed in four land covers in the Santuario de Fauna y Flora Iguaque (SFFI), Boyacá, Colombia. A total of 32 temporal sampling plots (TSP) of 250m2 was established to measure trees with diameter at breast height (dbh) ³ 10 cm whereas 17 TSP of 36m2 were established to measure total and stipe height of all frailejones (Espeletia boyacensis Cuatrec, E. tunjana Cuatrec and E. cf. Incana). Above and belowground biomass was estimated with allometric models, whereas carbon was calculated using the 0.47 fraction. The sampling area was proportional to the area of each land cover: open heathlands and moorlands (OMH), dense heathlands and moorlands (DMH), broad-leaved forest with continuous canopy, not on mire (BFCC), natural grassland prevailingly without trees and shrubs (NSWT). BFCC and DMH showed higher carbon storage in biomass (55 and 27Mg C/ha, respectively). SFFI stored around 135.9Gg C, from which 25-38Gg CO2e could be emitted to the atmosphere in the 20 next years if the deforestation rates continue. BFCC and OMH are the covers with the highest potential of CO2 emissions to the atmosphere. 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引用次数: 0
摘要
森林砍伐和森林退化是温室气体最重要的来源之一,主要发生在碳密度高的地区。在哥伦比亚boyac Santuario de Fauna y Flora Iguaque (SFFI)的四种土地覆盖中,分析了森林砍伐对总生物量中碳储量及其二氧化碳排放的影响。共建立了32个时间样地(TSP),面积为250m2,用于测量直径为胸高(dbh)³10 cm的乔木;建立了17个时间样地(TSP),面积为36m2,用于测量所有脆弱乔木(eseletia boyacensis Cuatrec、E. tunjana Cuatrec和E. cf. Incana)的总高度和茎高。地上和地下生物量采用异速生长模型估算,而碳则采用0.47组分计算。采样面积与各种土地覆盖面积成正比:开阔的石南荒原和沼地(OMH)、茂密的石南荒原和沼地(DMH)、连续冠层的阔叶林(BFCC)、无乔灌木的天然草地(NSWT)。BFCC和DMH表现出较高的生物量碳储量(分别为55和27Mg C/ha)。SFFI储存了大约135.9 g的碳,如果森林砍伐率继续下去,在未来20年内,这些碳可能会向大气中排放25-38 g的二氧化碳。BFCC和OMH是向大气排放二氧化碳潜力最大的覆盖层。因此,通过减少毁林和退化排放(REDD+)计划优先保护这些生态系统,是应对气候变化影响和确保提供支持当地社区生计的生态系统服务的关键。
Reduction of emissions by avoided deforestation in andean high-land tropical forests
Deforestation and forest degradation, mainly in areas with high carbon density, is one of the most important source of greenhouse gases (GHG). The impact of deforestation on carbon storage in total biomass and its CO2 emissions is analyzed in four land covers in the Santuario de Fauna y Flora Iguaque (SFFI), Boyacá, Colombia. A total of 32 temporal sampling plots (TSP) of 250m2 was established to measure trees with diameter at breast height (dbh) ³ 10 cm whereas 17 TSP of 36m2 were established to measure total and stipe height of all frailejones (Espeletia boyacensis Cuatrec, E. tunjana Cuatrec and E. cf. Incana). Above and belowground biomass was estimated with allometric models, whereas carbon was calculated using the 0.47 fraction. The sampling area was proportional to the area of each land cover: open heathlands and moorlands (OMH), dense heathlands and moorlands (DMH), broad-leaved forest with continuous canopy, not on mire (BFCC), natural grassland prevailingly without trees and shrubs (NSWT). BFCC and DMH showed higher carbon storage in biomass (55 and 27Mg C/ha, respectively). SFFI stored around 135.9Gg C, from which 25-38Gg CO2e could be emitted to the atmosphere in the 20 next years if the deforestation rates continue. BFCC and OMH are the covers with the highest potential of CO2 emissions to the atmosphere. Therefore, prioritizing the preservation of these ecosystems by Reducing Emissions from Deforestation and Degradation (REDD+) programs, is a key to counter the effects of climate change and ensure the supply of ecosystemic services that support local communities’ livelihoods.