Copy of BIOL 3144 Species Diversity In-Class Activity Worksheet-2

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University of North Carolina, Charlotte *

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3144

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Biology

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Dec 6, 2023

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pdf

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BIOL 3144 S PECIES D IVERSITY I N -C LASS A CTIVITY BIODIVERSITY AND LATITUDE 1. Pick one representative location for each biome and enter your data below. Drop the pin and fill in the table. Biome Latitude Species Richness Tundra 64.4° N 18 Boreal Forest 61.9° N 46 Temperate Deciduous Forest 53.1° N 72 Desert 13.5° N 73 Tropical Rain Forest 6.3° N 130 Alpine 9.1° N 132 Table 1. Characteristics of some representative biomes. 2. Change the view to a flat map and turn on the gridlines. Click on the Sahara Desert near the Tropic of Cancer. Click “ compare ” and select the tropical rain forest biome in Southeast Asia at about the same latitude. Then, answer the following questions: a. How do rainfall and temperature patterns differ between the biomes? The rainfall is completely nonexistent in the Desert while precipitation in the tropical rainforest biome reaches heights of 300mm. Temperatures in the desert go as low as about 900 ° C and cap at 1200° while temperatures in the rainforest range from about 1000°C to around 1300°C. b. List the species richness for each biome. Sahara Desert: 15 SE Asia Tropical Forest: 82 c. Think about the difference or similarity in species richness between these two biomes. What could account for this difference or similarity? While there isn’t a vast difference the number of species in these respective biomes differs by 67. The physical properties of the biomes is what creates the difference in species richness. Species are able to thrive more in a biome that has trees that can provide shade and higher amounts of precipitation, these qualities can not be found in the desert.
HUMAN IMPACTS ON BIODIVERSITY 3. Go back to one of the biomes from question 1. Make sure you are still in flat map view. Change to the Anthrome layer and select the year 2000. a. Select the point in your biome with the highest level of human disturbance. List the Anthromes at this location for each of these years: 1700: seminatural 1800: seminatural 1900: croplands 2000: villages b. Briefly summarize how humans have impacted the environment at this location over time. The humans have caused more and more destruction to the biomes over time with the changes in our lifestyles such as moving around and occupying these spaces, which in turn most likely has hurt these biomes in the long run. At this location, record the following: Anthrome (year 2000): villages Species Richness: 126 # Species NOT listed as “Least Concern”: 10 c. Now select the point in your biome with the lowest level of human disturbance. Ideally, it should be a wilderness area, but as close as possible to the last location. Record the following: Anthrome: seminatural Species Richness: 136 # Species NOT listed as “Least Concern”: 6 d. Summarize the differences in species richness and IUCN status of species between the two locations. Make a claim for how human disturbance could have impacted biodiversity in your biome. Support your claim with evidence. The second biome has less human disturbances therefore there is more animal abundance and less species listed for concern which I can assume is due to less human contact in this biome. The first biome has seen more human disturbances and therefore has a higher amount of species at risk for endangerment and a smaller amount of species active in the biome. Adapted from: Ecosystems www.BioInteractive.org
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