Results 11 to 20 of about 113,142 (258)

Study on coordinated development of environmental quality and land use degree based on remote sensing ecological index: A case study of Zhejiang province(基于遥感生态指数的土地利用程度与环境质量协调发展研究——以浙江省为例)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2023
将遥感生态指数应用于土地利用程度与生态环境质量协调研究,结合耦合协调度模型和空间自相关分析,研究了2008,2013,2018年浙江省89个区县的土地利用程度与生态环境质量协调发展时空特征,结果表明:(1)在空间尺度上,浙江省土地利用程度呈东高西低、北高南低的分布态势,各区县发展差距较大。在时间尺度上,各区县土地利用程度均有不同程度的提高,东高西低的趋势越发显著。(2)浙江省由于自然地理条件优越,生态环境质量总体保持较高水平,十年来生态文明建设取得了较大成果。(3)结合土地利用程度与生态环境质量评价结果,
朱悦(ZHU Yue)   +7 more
doaj   +1 more source

Data currency evaluation method of the second national land survey(第二次全国土地调查成果现势性评估方法)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2016
第二次全国土地调查(以下简称二次调查)成果的现势性是评价二次调查成果质量的重要指标之一.针对现势性评估理论模型缺乏的现状,提出了利用建设用地现势性指数和建设用地占用耕地变更正确性指数来评估二次调查成果的现势性.并对杭州市9区(县)的二次调查成果进行了现势性评估,结果表明,该方法科学可靠,适用于评估二次调查成果的现势性.
GUOLyuyi(郭绿奕)   +4 more
doaj   +1 more source

Spatial distribution and correlation of environmental factors andchlorophyll a concentrations in the Bohai Sea during the summer of 2013 [PDF]

open access: yes, 2016
通过对2013年7月渤海海域26个站点温度、盐度、营养盐及叶绿素a(Chl a)浓度的空间分布特征及其相关性进行了分析,发现:受渤海水深和夏季陆源河流输入影响,近岸水域表现出明显的高温、低盐与高营养盐特征,且垂直变化特征不显著;在水深较深的辽东湾湾口和渤海海峡,海水呈现明显的层化现象,表层水温高于中底层,而表层盐度与营养盐浓度则低于中底层。营养盐结构分析表明,渤海夏季磷酸盐浓度存在显著的绝对与相对限制,而受河流输入影响,硅酸盐的相对限制得到显著缓解。表层Chl a浓度的高值区位于滦河及复州河河口附近海区,
刘东艳   +4 more
core   +1 more source

“Not a Single Leaf Is Meant to be Taken With You”: Conservation Motivations and Belief Systems in a Khasi Sacred Landscape of Meghalaya, India “一片叶子都不许带走”:印度梅加拉亚邦卡西族神圣景观中的保护动机与信仰体系

open access: yesIntegrative Conservation, EarlyView.
This study examines the Mawphlang Sacred Forest in Meghalaya as a culturally embedded model of community‐led conservation. Drawing on qualitative fieldwork, it highlights how spiritual reverence, sacred taboos, and ancestral authority shape ecological stewardship, complementing formal governance systems.
Mrinal Saikia
wiley   +1 more source

The GATS Atlas: Global Adult Tobacco Survey [PDF]

open access: yes, 2015
The Global Adult Tobacco Survey (GATS) Atlas highlights findings from 22 GATS countries in a user-friendly, visual format and incorporates data covering nearly 60 percent of the world's population.

core  

Engineering a Tumor‐Targeted MgH2@Lip/PD‐L1 Nanoplatform for Synergistic Hydrogen Therapy and Immune Activation

open access: yesRare Metals, EarlyView.
ABSTRACT Lung cancer remains the leading cause of cancer‐related deaths worldwide, yet immune checkpoint blockade (ICB) is often compromised by an immunosuppressive tumor microenvironment (TME) with acidosis, hypoxia, and poor T cell infiltration. Here, we develop a TME‐responsive nanoplatform (MgH2@Lip/PD‐L1) that couples hydrogen gas therapy with PD ...
Xuyu Gu   +5 more
wiley   +1 more source

Morphological and Molecular Characterization of Eimeria saudiensis From Arabian Oryx (Oryx leucoryx) Held in Captivity in the Sultanate of Oman 阿曼苏丹国圈养阿拉伯羚羊 (Oryx leucoryx) 体内沙特艾美球虫 (Eimeria saudiensis) 的形态学与分子特征

open access: yesWildlife Letters, EarlyView.
Eimeria saudiensis represents a genus of apicomplexan parasites capable of inducing coccidiosis in Arabian oryx. Our research concentrated on the morphological and molecular investigation of Eimeria spp. in the captive oryx herd in Oman. The therapeutic and management practices employed at the Mammals Breeding Center were reassessed to diminish ...
Khalid Al‐Habsi   +7 more
wiley   +1 more source

Winter Track Survey of the Amur Tiger (Panthera tigris altaica) in the Southwest Primorsky Province of Russia 俄罗斯滨海边疆区西南部东北虎 (Panthera tigris altaica) 冬季足迹调查

open access: yesWildlife Letters, EarlyView.
In the winter of 2021/2022, a winter track survey revealed 43–46 tigers (without cubs) in 5.4 thousand km2 of suitable habitats in the Southwest Primorsky Province of Russia. In the same period, a network of camera traps registered 54 adult/subadult tigers here.
Yury Darman, Dina Matiukhina
wiley   +1 more source

A Case Study and Survey Research on Mandarin Language Teaching of Queen Margaret College in New Zealand [PDF]

open access: yes, 2016
笔者于2014年和2015年被汉办派往新西兰维多利亚大学孔子学院(ConfuciusInstituteofVictoriaUniversity),并被维多利亚大学孔子学院派往新西兰首都惠灵顿市(Wellington)的皇后˙玛格丽特私立女子学校(QueenMargaretCollege,文内使用简称QMC女校)进行了为期两年的汉语助教(MandarinLanguageAssistant)工作。 在两年实践和工作期间,笔者对QMC女校的汉语教学情况进行了详细而全面的调查和研究,获取了诸多第一手资料 ...
王璐
core  

Challenges of Effective Wildlife Law Enforcement in Oyo and Lagos States, Nigeria 尼日利亚奥约州与拉各斯州野生动物执法有效实施所面临的挑战

open access: yesWildlife Letters, EarlyView.
Effective wildlife law enforcement is important in the drive for biodiversity conservation. This study examined the challenges of wildlife law enforcement in Oyo and Lagos States of Nigeria across four security outfits (Nigerian Police Force [NPF], Nigerian Customs Service [NCS], National Environmental Standards and Regulations Enforcement Agency ...
Oluwatosin Mercy Dada   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy