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Chapter 20: Problem 9

Describe the equatorial and tropical rain forests. Why is the rainforest floor somewhat clear of plant growth? Why are logging activities for specific species so difficult there?

Short Answer

Expert verified
Equatorial and tropical rainforests are known for high rainfalls, warm temperatures, and a high diversity of organisms. They are characterized by distinct layers of vegetation, from the tall emergents to the dark forest floor, due to a lack of sunlight only 2% of it reaches the forest floor. This hinders the growth of many plants. Logging activities are arduous due to the diversity and scattered distribution of desirable species, ethical and environmental concerns, and the logistical challenges posed by dense forest terrain.

Step by step solution

01

Describing the Equatorial and Tropical Rain Forests

Equatorial and tropical rain forests are characterized by their location near the equator. They are known for their high rainfall, warm temperatures, and a stunning array of biodiversity. These forests have distinct layers, including the emergent layer, the canopy, the understorey, and the forest floor.
02

Explaining the Lack of Plant Growth on the Forest Floor

Plant growth on the rainforest floor is somewhat limited due to the lack of sunlight. Because of the dense canopy, only about 2% of sunlight reaches the forest floor. This scarcity of light inhibits the growth of many plant species. However, plants that can grow in low light conditions, oftentimes with large leaves to absorb as much sunlight as possible, are found on the forest floor.
03

Discussing the Difficulty of Logging Activities

Logging activities in these forests are challenging due to a variety of factors. Firstly, the rich biodiversity means that desirable tree species aren't always in large, accessible concentrations. Secondly, the existence of so many living creatures in these forests leads to ethical and environmental concerns about disrupting these ecosystems. Lastly, the physical difficulties of navigating dense, underdeveloped forest terrain create logistical challenges.

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