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Related Concept Videos

Softwoods and Hardwoods01:28

Softwoods and Hardwoods

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Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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Threats to Biodiversity01:50

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There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
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All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
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Habitat Fragmentation02:31

Habitat Fragmentation

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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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Avoidance-avoidance conflict refers to a psychological situation where a person must choose between two or more unpleasant alternatives. These conflicts are particularly stressful because neither option is desirable. This dilemma is often expressed in sayings like "caught between a rock and a hard place" or "between the devil and the deep blue sea." For instance, individuals who fear dental procedures may find themselves torn between enduring a painful toothache or facing the...
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Related Experiment Video

Updated: Sep 22, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
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Managing forests for competing goals.

Jessica Gurevitch1,2

  • 1Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY, USA.

Science (New York, N.Y.)
|May 19, 2022
PubMed
Summary

Tree plantations present challenges balancing timber production with ecological health. Achieving both requires careful planning to mitigate negative environmental impacts.

Area of Science:

  • Ecology
  • Forestry
  • Environmental Science

Background:

  • Tree plantations are increasingly established globally for timber production.
  • These monocultures can impact biodiversity and ecosystem services.
  • Balancing economic needs with ecological sustainability is a key challenge.

Purpose of the Study:

  • To explore the inherent trade-offs in tree plantation management.
  • To identify strategies for optimizing both production and ecological outcomes.

Main Methods:

  • This study reviews existing literature on plantation management.
  • It analyzes case studies comparing different management approaches.

Main Results:

  • Plantations often face a conflict between maximizing timber yield and maintaining biodiversity.

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  • Specific management practices can reduce negative ecological impacts without significantly compromising production.

    • Conclusions:

    • Sustainable tree plantation management requires integrated approaches.
    • Addressing the production-ecological trade-off is crucial for long-term viability.