Related Experiment Video
Updated: Jan 29, 2026
06:23
The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
Published on: October 13, 2016
33.8K
Multifunctional landscapes identification and associated development zoning in mountainous area
Jian Peng1, Xiaoxu Hu1, Sijing Qiu1
1Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
The Science of the Total Environment
|February 13, 2019
Summary
This study mapped landscape functions in mountainous regions, finding hotspots for productivity, soil, water, crops, and housing. Development zones were created to guide sustainable land use, balancing ecological needs with human activities.
Area of Science:
- Landscape Ecology
- Ecosystem Services
- Sustainable Development
Background:
- Multifunctional landscapes are a growing area in landscape ecology.
- Mountainous regions, covering 20% of Earth's surface, are understudied regarding landscape multifunctionality.
- Understanding landscape function interactions is crucial for sustainable management.
Purpose of the Study:
- To quantify and map five key landscape functions in a mountainous region.
- To identify hotspots of multiple landscape functions and analyze their interactions.
- To develop differentiated development zones based on landscape function bundles for sustainable planning.
Main Methods:
- Quantification and spatial mapping of net primary productivity, soil retention, water yield, crop production, and residential support.
- Identification of landscape function hotspots using spatial overlap analysis.
- Spearman's rank correlation for analyzing landscape function pair interactions.
- Self-Organizing Feature Maps (SOFM) for development zoning.
Main Results:
- Approximately 61% of the study area exhibited at least one landscape function hotspot.
- Only 2.7% of the area contained hotspots for three or more functions.
- Significant trade-offs and synergies were observed between most landscape function pairs, except for net primary productivity and residential support.
- Four distinct development zones (ecological shelter, ecological transition, suburban development, urban agglomeration) were delineated based on landscape function bundles.
Conclusions:
- Landscape multifunctionality varies significantly across mountainous areas.
- Differentiated development strategies are necessary to balance ecological conservation and socioeconomic development.
- The study provides a framework for spatially guided sustainable development in mountainous regions based on local landscape multifunctionality.
Related Concept Videos
02:29Hybrid Zones
21.8K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
21.8K
01:16Zones of Protection
793
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
793
01:28Transition Zone
380
The transition zone in concrete is a critical area where aggregate meets cement paste, marked by a distinct porosity and weakness compared to the surrounding material. The adhesion around the aggregates is primarily due to Van Der Waals forces. The voids within this zone influence its robustness; initially, it is less durable than the surrounding bulk mortar due to larger voids. Initially, when concrete is compacted, a higher water-cement ratio near the aggregates leads to the formation of...
380
01:43Sustainable Development
15.1K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.1K
01:28Methods of Classification and Identification
1.2K
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
1.2K
01:15Development of the Lymphatic System
2.1K
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
2.1K