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時間：2025-05-15 00:13:12 來源：網絡整理編輯：探索

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Chineseresearchersissueorganiccarbonmapforglobalblacksoilregions_GuangmingOnlineBEIJING,Nov.23(Xinhu

Chineseresearchersissueorganiccarbonmapforglobalblacksoilregions_GuangmingOnlineBEIJING,Nov.23(Xinhua)--AgroupofChineseresearchersissuedadatamapofthesoilorganiccarbon(SOC)contentforglobalblacksoilregions,sheddinglightonthequantificationofagro-ecosystemsandglobalfoodsecurity,accordingtotherecentissueofthejournalRemoteSensingofEnvironment.Researchhasshownthatcarboncycleisinfluencedbyagriculturalsoils.TheaccuratelymappingofSOCcontentcanhelptoclarifythecarbonsequestrationcapacity,quantifyagroecosystemandcontributetoglobalfoodsecurity.ButitisstillchallengingtoacquirereliableSOCcontentdatasets.ThestudypublishedinthejournalwasdonebyresearchersfromtheNortheastInstituteofGeographyandAgroecologyundertheChineseAcademyofSciences.Accordingtothejournaltheresearcherscollectedmorethan191,000scenesofremotesensingimagesandelevationmodeldata,andusedmeta-learningconvolutionalneuralnetworkmodeltogeneratehigh-resolutiondatamapforglobalblacksoilregions.ThedatainthestudyindicatesthattheSOCcontentintheglobalblacksoilregionsshowsadecreasingtrend,whichcanbedividedintosignificantdecreasephasefrom1984to2000,andmoderatedecreasephasefrom2001to2021.TheresultfromthestudyalsoshowsthatthefourmajorblacksoilregionsintheworldhavedifferentratesofSOCdecline.TheSOCdeclineratesoftheRussian-UkrainianPlainandthePampasPlainofSouthAmericaarehigherthanthoseofthenortheastChinaandtheMississippiRiverBasininNorthAmerica.Thestudyshowsthatthisresearchcanprovideareferenceforthelong-termobservationofsoilandcroppropertiesatmoderateandhighresolutionsglobally.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.

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廈門國際設計藝術周啟幕 Fireworks show lighting up the nightsky in SE China's Guangdong Highlights of 2023 Government Work Report: China to expand domestic demand 龍岩地質公園獲批成為世界地質公園 Scale clould seen in N China's Hebei People visit exhibition titled Gaudi: Moment is Eternity in Wuhan International Tea Day celebrated across China Int'l plum blossom festival kicks off in E China's Jiangsu Crafting Delightful 'Dancing Lion Dragon' Creative Steamed Buns to Celebrate the Spring Festival View of Baisha Lake scenic area in Akto County, NW China's Xinjiang 廈門山海健康步道：夏至時節荔枝掛滿枝頭青紅相映芬芳襲人 Exotic town becomes popular tourist destination in NE China China launches tech Spring view of Guangxi, S China Scenic drive: Crossing the pipa Frozen samples used to predict global warming China Focus: Chinese researchers explore building underground Moon shelter Anhui's Yixian County: Spring Tourism Flourishes in Hongcun Village Urban green space optimizes living ecological environment in Wujiaqu, NW China Whooper swans migrate to overwinter along Yellow River Snowfall in many parts of northern China Green commitment: sustainable energy powers 19th Asian Games Picturesque winter scenery of Yellow River Delta wetland Fossils of new armored dinosaur species found in east China 廈門集美：品味民俗傳文明鄰裏齊聚迎端午 New attraction in Harbin: Ice sculptures of Terracotta Warriors Picturesque winter scenery of Yellow River Delta wetland New lifestyles gain popularity among young Chinese AI Satirical Cartoon丨UK Prime Minister rejects Truss’s calls Chinese researchers reveal how vegetation structure biases satellite observation Kelp harvested in Rongcheng, E China Snow scenery in Shenyang, NE China First ice and snow gameskick offin Altay Xinjiang Tourists enjoy spring at West Lake scenic area in Hangzhou Chinese researchers develop bi 廈門啟用元宇宙辦稅大廳 Tourism market continues heating up during Qingming Festival holiday First corss Profile: Writer Breathtaking 'blue tears' light up coastal waters in China's Guangdong 2022廈門國際咖啡產業博覽會啟幕打造咖啡城市文化名片 People gear up for Tibetan new year China to send mission to far side of moon next year International Light Festival held in Vilnius, Lithuania Loong In pics: cherry blossoms in Guian New Area, SW China's Guizhou Tea China Focus: Researchers unveil variations of pregnancy microbiome, links to reproductive disorders 廈門啟用元宇宙辦稅大廳 People Busy Purchasing Chinese New Year Decorations to Welcome Spring Festival Chinese researchers develop bi Happy roller skating, dynamic campus Crafting Delightful 'Dancing Lion Dragon' Creative Steamed Buns to Celebrate the Spring Festival China's online retail sales up 11.5 pct in January Nanhu Lake and Wuzhen attract tourists amidst Spring's renewal in Jiaxing, E China Online exhibition provides cultural experience for new year celebration in N China View of Hemu Village after snow in China's Xinjiang China sees nearly 300 mln domestic tourist trips during May Day holiday Exotic town becomes popular tourist destination in NE China Beijing again tops Nature Index global science city rankings Scenic drive: Crossing the pipa Highlight: China’s Position on the Political Settlement of the Ukraine Crisis New semester for primary and secondary schools kicks off across China In pics: Citizens visit snow 廈門愛心物資馳援抗疫一線蒼穹巨靈·廈門篇廈門地方牌照國際航行船舶保稅燃油加注首單業務落地在廈央企馳援參與泉州最大方艙隔離點建設 China in a Decade: Fruitful Belt and Road boosts economic openness Wang Yi talks about five certainties China can provide regarding prospects of China Nursing skill competition held in Tianjin Advanced agricultural techniques enhance soybean planting in Hulunbuir, Inner Mongolia Yancheng in E China boosts green and low China's NCPA to host Festival Waltz concert Online exhibition provides cultural experience for new year celebration in N China 廈門：“口袋公園”提升市民生活幸福感 Anhui's Yixian County: Spring Tourism Flourishes in Hongcun Village 跨海高鐵新建福廈鐵路最後一聯連續梁合龍 Global greenhouse gas reduction in paper industry requires diverse strategies: study Dianjiang County of SW China’s Chongqing: Picturesque spring image 廈門：一抹金黃送春來 View of oilseed rape fields in Chongqing, SW China 2024 Chinese Science Fiction Conference kicks off in Beijing Wheat harvestin full swing in N China’s Shanxi Young entrepreneur promotes high quality growth of agritourism in China's Yuyao Full, rigorous Party self Yachts ride waves in Sanya, China's Hainan China in a Decade: Building an Ecological Civilization Marathon through the sea of flowers China in a Decade: A burgeoning new economy with growing momentums Reading Day: Enjoying the Fragrance of Books Shopping mall theaters bring vibrancy(1)廈門推出國際郵輪船員“一檢四證”模式 International Women's Day marked in Minsk, Belarus Across China: Masters of restoration bring ancient books back to life Snow Dragon polar research ship returned from China's 40th Antarctic expedition Wang Yi talks about five certainties China can provide regarding prospects of China 華為ICT大賽在廈收官 Liangping District of SW China’s Chongqing: harmonious countryside picture 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