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Related Concept Videos

Zones of Protection01:16

Zones of Protection

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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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Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
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Passive Filters01:27

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Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
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Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
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Evaluating Dryocosmus Kuriphilus-induced Damage on Castanea Sativa
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Will Passive Protection Save Congo Forests?

Gillian L Galford1, Britaldo S Soares-Filho2, Laura J Sonter1

  • 1The Gund Institute for Ecological Economics, University of Vermont, 617 Main Street, Burlington, Vermont, 05405, United States of America.

Plos One
|June 25, 2015
PubMed
Summary
This summary is machine-generated.

Passive forest protection in the Democratic Republic of Congo (DRC) is insufficient to prevent deforestation. Active conservation measures, like the REDD+ plan, are crucial for preserving Congo

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Area of Science:

  • Environmental Science
  • Forest Ecology
  • Climate Change Mitigation

Background:

  • Central Africa's tropical forests, particularly in the Democratic Republic of Congo (DRC), are vital carbon reserves with historically low deforestation rates.
  • Increasing pressures from infrastructure development, foreign investment in agriculture, and shifting land use management threaten these forests.
  • The DRC's forests store approximately 22 billion tons of carbon, yet only 10% are protected, raising concerns about the efficacy of passive protection.

Purpose of the Study:

  • To simulate future land cover and land use changes in the DRC under different policy scenarios.
  • To assess the impact of passive protection versus active conservation and agricultural development on forest cover and carbon storage.
  • To evaluate the effectiveness of the SimCongo model in predicting deforestation trajectories.

Main Methods:

  • Development and application of the SimCongo cellular automata model, based on Bayesian statistics and the Dinamica-EGO platform.
  • Parameterization and validation using historical deforestation data for the DRC.
  • Simulation of three policy scenarios (Historical Trends, Conservation, Agricultural Development) from 2010 to 2050 with a yearly time step.

Main Results:

  • The 'Historical Trends' scenario predicts average CO2 emissions of 139 million tons/year by the 2040s, a 15% increase over current levels.
  • The 'Conservation' scenario, involving active protection and REDD+ implementation, would reduce forest clearing by 58% compared to 'Historical Trends'.
  • The 'Agricultural Development' scenario projects significantly higher emissions, reaching 212 million tons of CO2/year by the 2040s due to increased deforestation.

Conclusions:

  • Passive forest management in the DRC is inadequate for curbing deforestation and conserving carbon stocks.
  • Active conservation strategies, including the implementation of a national REDD+ action plan, are essential for protecting Congo's forests and their ecological significance.
  • Policy interventions are critical for influencing forest conservation outcomes and safeguarding the global carbon cycle.