Results 41 to 50 of about 2,687 (178)

A Study on the Spatical Distribution of Producer Services in Taiwan [PDF]

open access: yes, 2010
自20世纪80年代以来,台湾地区产业结构快速调整,制造业逐渐式微,服务业加速成长,以服务业为重心的产业结构逐步实现。在服务业中,又以生产者服务业的成长最为迅猛,在促进台湾经济从工业化向后工业化顺利过渡过程中扮演着极其重要的角色。当前,生产者服务业区位理论的研究是国内外经济地理学和区域经济学研究的前沿课题。这种情况下,就台湾生产者服务业空间布局进行研究,不仅有助于总结台湾地区生产者服务业空间分布的特征规律,而且有利于推动生产者服务业区位理论研究的进一步深化。本文在前人研究的基础上 ...
蒋亚杰
core  

Spatiotemporal Variations and Topographic Differentiation of Fractional Vegetation Cover in Changbai Mountain [PDF]

open access: yes, 2023
[Objective] The dynamic changes of vegetation and its response relationship with topography in Changbai Mountain were explored in order to provide scientific support for ecological environmental protection and management in this mountainous area ...
Li Wen, Shi Song, Yang Ziyi, Yu Ran
core   +1 more source

Integrating local ecological knowledge into systematic conservation planning for seahorse conservation

open access: yesConservation Biology, Volume 39, Issue 3, June 2025.
Abstract Successful long‐term conservation relies on strategic planning for pragmatic actions to mitigate threats. Prioritizing actions and areas to support conservation goals in the most cost‐effective scenario becomes crucial in resource‐limited environments. However, planning and management can be challenging in data‐limited contexts.
Anna Karolina Martins Borges   +3 more
wiley   +1 more source

Study on the Population Ecology of Torreya jackii in Taining, Fujian, China [PDF]

open access: yes, 2010
种群的年龄结构、空间分布格局和生态位是种群生态学研究的重要研究内容。同时丹霞地貌这一特殊的环境是很多珍稀植物的避难所,泰宁丹霞景观区域就是我国特有的二级保护植物长叶榧树(TorreyajackiiChun.)集中分部地之一。本文通过调查及一些种群生态学的研究方法,对泰宁丹霞景观区域长叶榧树群丛类型、种群的年龄结构、丹霞景观区内山地果场长叶榧树的空间分布格局以及长叶榧树所在群落乔木层主要种群生态位进行了研究。结果表明: 1.长叶榧树在泰宁丹霞景观区主要分布于亚热带暖性针叶林和针阔混交林的14个群丛类型中 ...
张静雅
core  

Spatial-temporal Evolution of Carbon Storage and Spatial Autocorrelation Analysis in Zhengzhou City Based on InVEST-PLUS Model [PDF]

open access: yes, 2023
[Objective] One of the main drivers of terrestrial ecosystem carbon storage is land use change. The spatial-temporal response relationship between land use and carbon storage evolution in Zhengzhou City, Henan Province was analyzed based on the logic of “
Sun Yifan, Wang Xia, Xu Mengfei
core   +1 more source

China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition

open access: yesAntipode, Volume 57, Issue 3, Page 830-861, May 2025.
Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley   +1 more source

Studies on Population Ecology of Rare Species Fokienia hodginsii [PDF]

open access: yes, 2013
福建柏(Fokieniahodginsii)为柏科(Cupressacea)福建柏属(Fokienia)孑遗树种,为我国第一批国家二级重点保护野生植物。由于长期砍伐利用,天然林资源已经接近枯竭。本文在对江西井冈山国家级自然保护区(以下简称井冈山)、福建汀江源国家级自然保护区(目前在建,以下简称汀江源)及福建梅花山国家级自然保护区(以下简称梅花山)3个地区的福建柏群落样地调查的基础上,应用统计学方法、计算机技术对3个地区福建柏群落的基本区系特征、垂直结构、物种多样性及种群的年龄结构与生命过程、空间分布格局、
丁鑫
core  

Water use characteristics of two Sonneratia mangrove species [PDF]

open access: yes, 2017
红树林生长在热带、亚热带海岸潮间带。虽然海水充沛,但高盐度的海水使得土壤孔隙水水势极低,这在很大程度上限制了红树植物对水分的吸收,造成红树植物生理干旱的现象。红树植物大都采取了相同的水分利用策略,就是在节约用水的同时,最大程度地吸收水分。对红树植物的水分利用特征的研究是认识红树植物适应潮间带高盐及淹水胁迫的关键。本研究利用热扩散式茎流仪和微型气象站,在2015–2016年期间对深圳福田红树林自然保护区(22°31'N,114°0'E)内的两种同龄的海桑属红树植物,无瓣海桑 ...
赵何伟
core  

Identification, spatial distribution, and associated factors of urban protected areas in China

open access: yesConservation Biology, Volume 38, Issue 6, December 2024.
Abstract The increasing proximity between protected areas (PAs) and urban areas, which can lead to urban protected areas (UPAs), is now commonplace. Use of Euclidean distance to measure the distance between PAs and cities has not correctly portrayed the spatial relationship between PAs and cities.
Zuo Zitong, Wang Shuyi, Zhong Le
wiley   +1 more source

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