Results 21 to 30 of about 7,914 (162)
Study on standard quality assessments for digital map(数字地图规范性质量评价探讨)
Zhejiang Daxue xuebao. Lixue ban, 2010 遥感信息的广泛应用使数字地图的生产和更新周期明显加快,同时,因制图不规范而导致的数据产品质量问题也日益突出.基于地图制图规范和地图数字化技术规范,建立数字地图的规范性质量评价指标数据库,开发相应的分析评价模型和软件,实现数字地图规范性质量评价的定量化和自动化,有助于提高数字地图产品的规范化水平,提升数字地图产品的应用价值.
LIAOShun-bao(廖顺宝), CAOJun(曹俊)
doaj +1 more source
The Research and Implementation of the Statistical analysis of demographic information at district level base on WalkGIS [PDF]
, 2011 人口地理信息系统既可以为上级管理部门提供统计信息资料，又可以科学地分析本地社会经济和生产生活的运行状况。它为监管监测、宏观调控提供科学支持和智力支撑，并为公民提供可信的参考信息，为政府的宏观调控提供更多的理论支持和参考依据。在国民经济生活中，地理信息系统的作用已经日益巨大。而区县级人口地理信息系统更是在各级地理信息系统框架中，起到承上启下的作用。 目前，国内已建成的人口地理信息系统大部分是运用国外GIS搭建而成。本文所采用的WalkGIS平台，是浙江大学数维公司开发的新一代地理信息系统平台 ...
邱思钧
core
Conservation Biology, Volume 40, Issue 1, February 2026.Abstract Exploring heat tolerance and acclimation capacity can provide an effective approach to evaluating species’ sensitivity to extremely high temperatures due to climate warming. Despite some work on amphibian and reptile thermophysiological adaptation, related questions remain. We reviewed the literature to provide a synthesis of worldwide data on
Zijian Sun +8 more
wiley +1 more source
Model and application of cyberspace information system [PDF]
, 2020 For the visualization of cyberspace is still using the traditional geographic information system,which makes it difficult to truly express the characteristics and laws of cyberspace,a multi-scale,multi-dimensional and multi-view cyberspace information ...
Changqing AN +3 more
core +1 more source
Functional Ecology, Volume 40, Issue 1, Page 163-175, January 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Grazing by large herbivores is a critical factor shaping grassland biodiversity and ecosystem functioning worldwide, yet its consequences for soil communities remain poorly understood.
Quanhui Ma +12 more
wiley +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2011 结合具有表述性状态转移(REST)风格的Web Service与开放地理信息联盟(OGC)开放标准规范，提出一种面向资源的WebGIS架构及其设计方法.在该架构中，为实现信息共享和功能互操作，采用OGC规范作为服务接口标准，服务采用REST风格加以实现，并以资源的形式对外公开.所有的资源共享统一的界面，在服务器与客户端之间进行状态的传输.为验证该架构，构建了一个基于网络的土地资源管理原型系统，该系统可在多元异构的网络环境下进行信息发布和信息获取，并实现查询、变更等土地利用管理常用功能.
MAOFeng(毛峰) +5 more
doaj +1 more source
Greenhouse gas emissions from croplands of China [PDF]
, 2003 China possesses cropland of 1.33 million km 2. Cultivation of the cropland not only altered the biogeochemical cycles of carbon (C) and nitrogen (N) in the agroecosystems but also affected global climate.
Bohan, Liao +13 more
core +1 more source
Integrative Conservation, Volume 4, Issue 4, Page 600-615, December 2025.Only 1541 (34.2%) of 4503 recognized non‐passerine bird species are held in ZIMS institutions worldwide. Approximately ~83% of the species kept globally are classified as non‐threatened and ~16% as threatened. To improve the conservation of threatened birds, a shift toward keeping threatened species should be considered within ex situ management ...
Anna Wahle +6 more
wiley +1 more source
Design and Implementation of Tourism Management System in Hezhou City [PDF]
, 2015 摘要 在信息时代，旅游行业也与时俱进开展信息化建设，在业内的信息管理、企业经营和市场推广方面使用信息技术的方面越来越广，同时旅行者和企业经营者通过网络获取旅游信息的方式也是越来越便捷。通过对ARCGIS地理信息系统的研究，和对Web技术平台的技术分析，得出结论，利用信息化技术进行网络旅游管理信息系统的开发已经具备了条件。 该项目针对贺州市的旅游资源进行旅游管理系统的设计与实现，通过对旅游行业的现状、信息化技术应用、旅游系统含义等多个方面进行分析，在旅游管理者、旅游景点、旅行社 ...
肖鸿
core
Integrative Conservation, Volume 4, Issue 4, Page 546-554, December 2025.Desertification is increasing in the Brazilian Semiarid, leading to loss of species and ecosystem services, while precise data on biodiversity distribution and trends are lacking. Public engagement in scientific projects can improve ecosystem protection.
Lucas Rodriguez Forti +3 more
wiley +1 more source