Results 71 to 80 of about 3,308,677 (360)

Evaluation and Prediction of Landscape Ecological Security Based on a CA-Markov Model in Overlapped Area of Crop and Coal Production

open access: yesLand, 2023
Overlapped areas of crop and coal production are responsible for national food security and mineral resource supply. However, long-term coal mining and urban and rural construction have continuously impacted the structure and functions of the original ...
H. Zhang   +3 more
semanticscholar   +1 more source

TreeSpider: In‐Canopy Exploration With Tether‐Based Aerial Modular Arms

open access: yesAdvanced Robotics Research, EarlyView.
A tethered drone with perching arms and a 360° ring enables unprecedented maneuverability within dense forest canopies. By dynamically adjusting tether length and decoupling pitch from the frame, it navigates between branches, senses multiple trees, and interacts physically with foliage.
Luca Romanello   +7 more
wiley   +1 more source

Does a Time-Lagged Effect Exist Between Landscape Pattern Changes and Giant Panda Density?

open access: yesLand
Land use and land cover change (LULCC) can influence giant panda distributions by altering landscape structure and configuration. However, the spatial impacts and potential time lag effects of landscape pattern changes on giant pandas remain ...
Qingxia Zhao   +6 more
doaj   +1 more source

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Application of Environmental DNA for Assessing the Distribution and Biomass of Brachymystax lenok Tsinlingensis in the Zhouzhi Heihe River

open access: yesAnimals
In recent years, the population of Brachymystax lenok tsinlingensis has experienced a rapid decline due to habitat degradation caused by overfishing and dam construction.
Hu Zhao   +9 more
doaj   +1 more source

The complete chloroplast genome sequence of Davidia involucrata

open access: yesMitochondrial DNA. Part B. Resources, 2021
Davidia involucrata Baill. is a kind of tertiary paleotropical plant floristic relic species unique to China. This rare plant is disappearing due to poor adaptability and serious poaching.
Li Ang, Hou Zhe
doaj   +1 more source

Global security and ecology

open access: yesGeofísica Internacional, 1990
Se presentan algunas consideraciones nuevas sobre seguridad global y en particular sobre su componente ecológica. Estas consideraciones se basan en una reciente resolución del Instituto Internacional de Aná1isis Aplicado de Sistemas.
openaire   +3 more sources

Rapid Invasion of Spartina Alterniflora in the Coastal Zone of Mainland China: Spatiotemporal Patterns and Human Prevention [PDF]

open access: yes, 2019
Given the extensive spread and ecological consequences of exotic Spartina alterniflora (S. alterniflora) over the coast of mainland China, monitoring its spatiotemporal invasion patterns is important for the sake of coastal ecosystem management and ...
Jia, Mingming   +6 more
core   +1 more source

Long‐Term Elevated CO2 Improves Soil Health and Rice Yields in Paddy Fields

open access: yesAdvanced Science, EarlyView.
Combining the two longest‐running rice free‐air CO2 enrichment experiments with a global data synthesis, this study demonstrates that long‐term elevated CO2 consistently enhances soil health. In rice paddies, this improvement sustains the CO2 fertilization effect over decades.
Fan Jiang   +22 more
wiley   +1 more source

Forest fragmentation causes an isolated population of the golden takin (Budorcas taxicolor bedfordi Thomas, 1911) (Artiodactyla: Bovidae) in the Qinling Mountains (China)

open access: yesBMC Zoology
Budorcas taxicolor bedfordi is a rare animal uniquely distributed in the Qinling Mountains (China). Human disturbance and habitat fragmentation have directly affected the survival of B. t. bedfordi.
Hui Feng   +3 more
doaj   +1 more source

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