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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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相关实验视频

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Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience
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预测和优先考虑社区大会:通过实验学习成果.

Benjamin W Blonder1, Michael H Lim2, Oscar Godoy3

  • 1Department of Environmental Science, Policy, and Management, University of California Berkeley, Berkeley, California, USA.

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概括

预测生态社区的聚集是具有挑战性的. 一种名为"通过实验学习成果" (LOVE) 的新方法,利用实验数据准确预测和优先考虑社区集会的保护和恢复成果.

关键词:
这是一种共存,共存.社区集会 社区集会社区生态社区生态学伦理学 伦理 伦理学机器学习是机器学习.预测 预测 预测 预测优先考虑的优先级安排.合成生态学 合成生态学

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科学领域:

  • 生态社区集会 生态社区集会
  • 应用生态学 应用生态学
  • 生物多样性科学是生物多样性的科学.

背景情况:

  • 预测和优先考虑生态社区集会结果对于生物多样性保护,气候变化适应,入侵生物学,恢复生态和合成生态至关重要.
  • 当前的方法往往依赖于详细的机制理解,这可能不是在所有场景中都可用或可行.

研究的目的:

  • 引入和验证一种无机制的方法,即通过实验 (LOVE) 来预测和优先考虑生态社区集会的学习成果.
  • 为了证明LOVE在各种生态数据集和应用挑战中的实用性.

主要方法:

  • LOVE涉及在不同的环境中进行生态组装实验,使用各种物种添加组合 ('动作') 进行生态组装实验.
  • 测量了丰富性结果,并在实验数据上训练了一个预测模型.
  • 然后,该模型用于预测新型行动的结果或优先考虑针对特定生态目标的行动.

主要成果:

  • 在10个数据集中,LOVE在接受89个随机行动的训练时,在预测社区集会结果时达到0.5%-3.4%的平均误差.
  • 爱情成功地优先考虑了最大限度地提高物种丰富性,丰富性或消除不良物种的行动.
  • 该方法在不同优先级任务中显示了高的真正阳性率 (94%-99%) 和可变的真负率 (10%-84%).

结论:

  • LOVE提供了一种实用,数据驱动的方法来预测和优先考虑生态社区集会,当机械知识有限时尤其有用.
  • 这种方法补充了现有的基于机制的方法,对应用于生态挑战具有广泛的适用性.
  • 爱可以帮助设计有效的生物多样性保护,生态恢复和入侵物种管理战略.