Q1.9. If you wanted to specify that a patch of grass has an additional 10% chanc

Question

Q1.9. If you wanted to specify that a patch of grass has an additional 10% chance per year of dying and being replaced with shrubs, how would you change the transition matrix? Add 0.1 to the Shrubs-to-Grass transition Add 0.1 to the Shrubs-to-Grass transition and subtract 0.1 from the Shrubs-to-Shrubs transition Add 0.1 to the Grass-to-Shrubs transition Add 0.1 to the Grass-to-Shrubs transition and subtract 0.1 from the Grass-to-Grass transition 1.10. An ecologist wants to know if diversity in a forest system is likely to decrease is introduced. This invasive species is a fast-growing annual plant that grows on oak invasive species can only survive on living oak trees. The ecologist has the orig another version of the model which includes transitions that involve the invasive specie trees and kills them. The inal model from this lab and s. To answer the research question, the ecologist should compare species diversity generated by the original model to diversity generated by which model described below? A model in which oak h A model in which oak has a positive transition rate to the invasive A model in which the invasive has a positive transition rate to oak and oak has a positive transition to grass as a positive transition rate to the invasive and the invasive has a positive transition to grass. and the invasive has a positive transition to oak

Explanation / Answer

Answer

1.9 Add 0.1 to the grass to shrubs transition Subtract 0.1 from the grass to grass transition

1.10 A modal in which oak has a positive transition rate to the invasive and the invasive has a positive transition to grass

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