[1]辜云杰,李晓清*,杨汉波. 基于MaxEnt生态位模型预测桢楠在中国的潜在适宜栽培区[J].西北林学院学报,2021,36(2):136-141.[doi:10.3969/j.issn.1001-7461.2021.02.20]
　GU Yun-jie,LI Xiao-qing*,YANG Han-bo. MaxEnt Model-based Prediction of Suitable Cultivation Area of Phoebe zhennan in China[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(2):136-141.[doi:10.3969/j.issn.1001-7461.2021.02.20]
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 基于MaxEnt生态位模型预测桢楠在中国的潜在适宜栽培区()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第2期
页码:
136-141
栏目:
出版日期:
2021-03-31

文章信息/Info

Title:
 MaxEnt Model-based Prediction of Suitable Cultivation Area of Phoebe zhennan in China
文章编号:
1001-7461(2021)02-0136-06
作者:
 辜云杰1; 李晓清1*; 杨汉波2
 （1.四川省林业科学研究院，四川 成都 311400；2.长江上游林业生态工程四川省重点实验室，长江上游森林资源保育与生态安全国家林业和草原局重点实验室，华西雨屏区人工林生态系统研究长期科研基地，四川农业大学 生态林业研究所，四川 成都 611130）
Author(s):
 GU Yun-jie1; LI Xiao-qing1*; YANG Han-bo2
(1.Sichuan Academy of Forestry,Chengdu 311400,Sichuan,China)
关键词:
 ; 桢楠; MaxEnt; 地理分布区; 适宜栽培区
Keywords:
Phoebe zhennan;  Maxent;  geographic distribution;  suitable cultivation area
分类号:
S725.1
DOI:
10.3969/j.issn.1001-7461.2021.02.20
文献标志码:
A
摘要:
 为探明珍贵用材树种桢楠的地理分布范围和潜在适宜栽培区范围，基于气候、海拔、土壤条件和植被类型数据集，结合桢楠分布样点数据，利用最大熵模型（MaxEnt）预测桢楠的潜在适宜栽培区。结果表明，桢楠的水平分布范围为26°41′-31°7′N，101°51′-110°57′E，垂直分布海拔介于139～1 524 m。桢楠分布区的适宜年均气温为13℃～18℃，适宜年降水量为850～1 500 mm，适宜越冬的极端最低气温为-1℃～4℃，适宜越夏的极端最高气温为26℃～32℃。桢楠的潜在最适宜和较高适宜栽培区主要分布在龙门山-大巴山-武陵山-苗岭-峨眉山区域。其中，四川省的高、中适宜栽培区面积最大，为137 694 km2；依次为贵州省、重庆市、湖南省和湖北省，面积分别为101 972、61 658、38 382、25 456 km2。研究结果阐明了桢楠在我国的地理分布范围和适宜气候条件，并采用MaxEnt模型进行了桢楠潜在适宜栽培区预测，可为我国桢楠的推广栽培提供指导依据。
Abstract:
 To study the geographic distribution scope and potential suitable cultivation area of Phoebe zhennan,the MaxEnt model was applied to predict the suitable cultivation area based on the data of climate,altitude,soil condition,vegetation style,and natural distribution of P.zhennan.The results showed that,the horizontal equilibrium extent ranged from 26°41′ to 31°7′ N,and 101°51′ to 110°57′ E.The vertical distribution ranged from 139 m to 1 524 m above the sea level.The suitable annual average temperature,annual precipitation,extremely lowest and highest temperature were 13℃-18℃,850-1 500 mm,-1℃-4℃,and 26℃-32℃,respectively.The potential optimum and highly suitable area were distributed in Longmen-Daba-Wuling-Miaoling-Emei Mountains,in which Sichuan Province occupied the most of the highly suitable and suitable cultivation area (137 694 km2),followed by Guizhou (101 972 km2),Chongqing (61 658 km2),Hunan (38 382 km2) and Hubei (25 456 km2).The geographic distribution and ranges of the dominant bioclimatic factors were clarified.This work predicted the regionalization of potential suitable cultivation area and provided references for reasonable cultivating P.zhennan.

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备注/Memo

备注/Memo:
 收稿日期：2020-04-17修回日期：2020-05-09
基金项目：国家重点研发计划（2017YFD0601102,2016YFD0600603）。
作者简介：辜云杰，研究员。研究方向：珍贵用材树种培育。E-mail:guyunjie7901@163.com
*通信作者：李晓清，研究员。研究方向：森林培育。E-mail:lixq_forestry@sina.com
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