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Related Concept Videos

Bacterial Transformation01:33

Bacterial Transformation

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In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
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Zones of Protection01:16

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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.
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Protection of Alcohols02:31

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This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
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Self-esteem, a central component of psychological well-being, is actively maintained through various cognitive and behavioral strategies. Individuals employ specific mechanisms to preserve a positive self-concept and mitigate threats to their self-worth, particularly in contexts involving social evaluation or personal feedback. Four primary techniques are commonly used to sustain self-esteem.Manipulating AppraisalsOne prominent strategy involves manipulating appraisals from others. Individuals...
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Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
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Transformation01:26

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Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
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Transforming Protected Area Management in China.

Weihua Xu1, Stuart L Pimm2, Ao Du3

  • 1State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.

Trends in Ecology & Evolution
|July 15, 2019
PubMed
Summary
This summary is machine-generated.

China

Keywords:
global biodiversity targetsinstitutional reformsprotected areas management

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Area of Science:

  • Conservation Science
  • Environmental Policy
  • Ecosystem Management

Background:

  • Protected areas in China face challenges including fragmented management.
  • Current systems lack comprehensive classification and consistent legislation.
  • Inadequate coverage of biodiversity and ecosystem services is a significant issue.

Purpose of the Study:

  • To analyze institutional reforms for China's protected area management.
  • To identify opportunities for improving current management systems.
  • To propose a new protected area management framework.

Main Methods:

  • Review of current protected area management policies in China.
  • Analysis of existing institutional structures and legislative frameworks.
  • Identification of challenges and opportunities within ongoing reforms.

Main Results:

  • Fragmented management and inconsistent legislation hinder effectiveness.
  • Existing classification systems are inadequate for comprehensive coverage.
  • Ongoing institutional reforms present a unique opportunity for systemic change.

Conclusions:

  • A new, unified protected area management system is recommended.
  • Leveraging institutional reforms can address long-standing issues.
  • Improved management will enhance biodiversity and ecosystem service protection.