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関連する概念動画

What is Conservation Biology?01:57

What is Conservation Biology?

Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
Conservation of Small Populations02:04

Conservation of Small Populations

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 likely to...
Conservation of Declining Populations02:07

Conservation of Declining Populations

Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
Habitat Fragmentation02:31

Habitat Fragmentation

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.
Conservation of Mass in Moving, Nondeforming Control Volume01:14

Conservation of Mass in Moving, Nondeforming Control Volume

Stormwater detention basins are essential in managing runoff during heavy rainfall, particularly in urban areas where impervious surfaces increase the risk of flooding. Understanding the conservation of mass in these systems allows engineers to optimize basin performance, balancing inflow, outflow, and water storage.
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

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Updated: May 9, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 10, 2012

アマゾン流域の保全モデリング

Britaldo Silveira Soares-Filho1, Daniel Curtis Nepstad, Lisa M Curran

  • 1Centro de Sensoriamento Remoto, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Belo Horizonte, 31270-901, MG, Brazil. britaldo@csr.ufmg.br

Nature
|March 24, 2006
PubMed
まとめ
この要約は機械生成です。

農業によって引き起こされるアマゾンの森林破壊は,生物多様性と気候を脅かしています. 保護地域は不十分であり,私有地での保全と持続可能な土地管理は,アマゾン流域の包括的な保護に不可欠である.

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Watershed Planning within a Quantitative Scenario Analysis Framework
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Watershed Planning within a Quantitative Scenario Analysis Framework

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Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)
12:26

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Published on: October 11, 2016

関連する実験動画

Last Updated: May 9, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 10, 2012

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)
12:26

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling (SAHM)

Published on: October 11, 2016

科学分野:

  • エコロジー エコロジー エコロジー
  • 保護生物学の保護生物学
  • 気候科学 気候科学

背景:

  • アマゾン流域は,牛と大豆産業の拡大により,森林伐採の拡大に直面しています.
  • 農業の国境とインフラ開発は,重要な生態系に侵攻しています.
  • 既存の保全戦略は,保護区に大きく依存している.

研究 の 目的:

  • 保護区がアマゾン流域の保全に及ぼす効果を評価する.
  • 将来の森林破壊の傾向とその生物多様性や気候への影響をシミュレートする.
  • 総合的なアマゾン保全戦略の重要な構成要素を特定する.

主な方法:

  • 将来の森林破壊シナリオの政策に敏感なシミュレーション.
  • 現在の農業拡大傾向の下で2050年までに予測される森林損失の分析.
  • 流域,生態地域,炭素排出量,哺乳類の種に対する影響の評価.

主要な成果:

  • 現在の動向では,2050年までにアマゾンの森林の40%が失われ,主要な流域と生態地域に影響を及ぼすと予測されています.
  • 重要な炭素排出量 (32 +/- 8 Pg) と哺乳類種の生息地の大幅な損失が予測されています.
  • 拡張された保護区は,予測される森林損失の3分の1を軽減できるが,それだけでは不十分である.

結論:

  • 保護地域は不可欠ですが,アマゾンの総合的な保全には不十分です.
  • 民間土地の保全,持続可能な土地管理のための市場インセンティブ,農業侵占の防止は不可欠です.
  • 保護区と私有土地の保全を統合する多面的な戦略は,アマゾンの将来にとって極めて重要です.