CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
覆土砒砂岩区沙棘耗水量及其影响因子
Authors
党宏忠
朱雅娟
李永华
杜娟
Publication date
1 January 2020
Publisher
Doi
Cite
Abstract
为明确沙棘的耗水特征及其主要影响因子,从而为水土保持林的可持续管理提供理论依据,利用TDP技术监测生长季5年生沙棘的液流动态,计算沙棘耗水量,通过相关分析和回归分析等方法研究了它们与气象因子的关系。结果表明:晴天沙棘的液流通量为单峰曲线,干旱时则为双峰曲线。雨天沙棘的液流通量为单峰、双峰或多峰曲线。晴天沙棘液流通量的最大值是7.13~23.07 g/(cm~2?h)。7月降雨后液流通量最高,6月干旱时最低。生长季沙棘液流通量和单株日耗水量与气温、光合有效辐射(PAR)和水汽压亏缺(VPD)均呈显著正相关,而与相对湿度呈显著负相关。而且,液流通量与风速呈显著正相关,单株日耗水量与降水量呈显著负相关。晴天沙棘单株耗水量最大值是146.39~363.30 g/h。生长季沙棘的单株总耗水量是185.77~219.44 kg,平均值为206.58 kg。因此,建议保持沙棘林的合理密度,维持其水分平衡,从而确保沙棘林的长期稳定性
Similar works
Full text
Available Versions
of Botany,Chinese Academy Of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ibcas.ac.cn:2S10CLM1/22...
Last time updated on 09/06/2022