氮磷添加下典型温带、亚热带森林土壤氮循环功能基因丰度和微生物群落属性数据集  

A dataset of soil nitrogen-cycling functional genes abundance and microbial community properties in typical temperate and subtropical forests under nitrogen and phosphorus additions

作　　者：贾彦茹 唐玉倩 张心昱[2,3] 于贵瑞 王辉民[2,3] 陈伏生 田大栓[2,3] 张雷明 JIA Yanru;TANG Yuqian;ZHANG Yinyu;YU Guirui;WANG Huimin;CHEN Fusheng;TIAN Dashuan;ZHANG Leiming(Key Laboratory of Regional Ecology and Environmental Change,School of Geography and Information Engineering,China University of Geosciences,Wuhan 430074,P.R.China;Key Laboratory of Ecosystem Network Observation and Modeling,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,P.R.China;College of Resources and Environment,University of Chinese Academy of Sciences,Beijing 100190,P.R.China;Forestry College,Jiangxi Agricultural University,Nanchang330029,P.R.China)

机构地区：[1]中国地质大学,地理与信息工程学院,区域生态与环境变化重点实验室,武汉430074 [2]中国科学院地理科学与资源研究所,生态系统网络观测与模拟重点实验室,北京100101 [3]中国科学院大学,资源与环境学院,北京100190 [4]江西农业大学,林学院,南昌330029

出　　处：《中国科学数据（中英文网络版）》2023年第4期41-55,共15页China Scientific Data

基　　金：科技部基础性工作专项课题(2021FY100701);国家生态科学数据中心(NESDC20210104);国家自然科学基金(42101069)。

摘　　要：氮和磷是维持土壤微生物生长和活性的必需养分。中国温带和亚热带森林之间,以及森林土壤垂直剖面上的氮、磷含量差异巨大,土壤微生物群落特征也显著不同。在严重氮沉降影响下,中国东部土壤养分失衡和磷元素限制日益加剧。但是,目前并没有系统的数据集展示氮沉降和磷添加如何影响中国东部森林土壤氮循环微生物和土壤理化性质,从而更好阐释氮沉降和磷添加对森林土壤氮循环的影响。本研究基于全球变化联网实验平台,测定和整理了3个具有典型代表性的森林氮磷添加样地土壤氮循环功能基因丰度、微生物群落多样性和酶活性,形成一套较为系统的氮循环功能微生物属性数据集。本数据集包括中国东部温带(长白山)和亚热带(千烟洲和鼎湖山)森林氮磷添加野外控制实验样地的0–10cm的表层土壤和无养分添加的0–80cm土壤垂直剖面数据。数据包括:氮循环功能基因(氨氧化古菌amoA、氨氧化细菌amoA、nirK、nirS、nosZ、qnorB、narG、nir、nifH和chiA)丰度、群落多样性和组成、微生物潜在活性(硝化活性、反硝化活性、固氮活性、有机氮分解酶活性)和土壤理化性质(pH、土壤含水量、N2O排放、净硝化速率和有机碳、NH4+、NO3-、有效磷、总氮、总碳、总磷、溶解性有机碳含量)。本数据集的创建和共享将为全球变化氮沉降和磷添加背景下森林土壤氮循环的微生物驱动机制及模拟提供数据和理论支持,为森林生态系统温室气体N2O的排放、氮素淋失和养分管理提供数据和依据。Nitrogen(N)and phosphorus(P)are essential nutrients for soil microbial growth and activities.There are notable differences in the concentrations of N and P and the characteristics of microbial communities observed between temperate and subtropical forests soils,and this is also true for soil vertical profiles.As a consequence of the rise in global atmospheric N deposition,soil nutrient imbalances and P limitation are increasingly aggravated in eastern China.However,there is a lack of systematic dataset showing how N deposition and P addition affect soil N cycling microbes and soil physicochemical properties in eastern China;hence a comprehensive dataset is needed to a better understanding of the impact of N deposition and P addition on soil nitrogen cycle.This dataset is constructed based on the field experimental setup in the forests of Chinese Ecosystem Research Network(CERN).To obtain a systematic dataset on Ncycling microbial communities,we conducted measurements and collected data of soil N-cycling functional genes abundance,N-cycling microbial community diversities and compositions and enzyme activities in three typical forests with N and/or P additions.We collected 0-10 cm top soils from a temperate forest(Changbai Mountain)and two subtropical forests(Qianyanzhou and Dinghu Mountain)with field N and/or P additions,and the soils along 0-80 cm vertical profiles without nutrient additions.The N-cycling functional genes involved in the datasets cover ammonia oxidizing archaea amo A,ammonia oxidizing bacteria amo A,nir K,nir S,nos Z,qnor B,nar G,nir,nif H and chi A.The potential activities included in the datasets cover nitrification activity,denitrification activity,nitrogen fixation activity and organic nitrogen decomposition enzyme activity.The datasets also include soil physiochemical properties,including soil p H,moisture content,N2O emission,net nitrification rate and the concentrations of organic carbon,NH4+,NO3-,available phosphorus,total nitrogen,total carbon,total phosphorus and dissolved organic carb

关 键 词：温带森林 亚热带森林 氮磷添加 土壤剖面 氮循环微生物 功能基因 

分 类 号：S714[农业科学—林学]