The observed relationship between increased forest fragmentation and increased incidence of Lyme disease. Introduction: Forest fragmentation is the process of division of large habitats into smaller, divided, and isolated fragmented areas. It lowers the quality of the forest. This results in the decline in the species richness in the fragments. The white-footed mice occupy a broad ecological niche, while opossums are absent from low-quality forest fragment. Hypothesis proposed: B. burgdorferi is the bacterium that is transferred into the body of humans by the ticks. The bacterium is an endoparasite that lives inside the human body and causes Lyme disease. The newly hatched ticks do not harbor B. burgdorferi bacterium as they are killed by the host when they crawl onto the host organism, and if they are successful in harvesting the blood from their host, then they are generally not infected by B. burgdorferi . A bar diagram showing the proportion of larval ticks that fed and caused infection versus host species is given below:

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Chapter 52, Problem 15PIAT

Summary Introduction

To review:

The observed relationship between increased forest fragmentation and increased incidence of Lyme disease.

Introduction:

Forest fragmentation is the process of division of large habitats into smaller, divided, and isolated fragmented areas. It lowers the quality of the forest. This results in the decline in the species richness in the fragments. The white-footed mice occupy a broad ecological niche, while opossums are absent from low-quality forest fragment.

Hypothesis proposed: B. burgdorferi is the bacterium that is transferred into the body of humans by the ticks. The bacterium is an endoparasite that lives inside the human body and causes Lyme disease. The newly hatched ticks do not harbor B. burgdorferi bacterium as they are killed by the host when they crawl onto the host organism, and if they are successful in harvesting the blood from their host, then they are generally not infected by B. burgdorferi. A bar diagram showing the proportion of larval ticks that fed and caused infection versus host species is given below:

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