What are some of the hypotheses for the collapse of honeybee colonies? Distingui

Question

What are some of the hypotheses for the collapse of honeybee colonies?

Distinguish between regional and functional extinction.

Why is it difficult to measure background extinction rates?

What three factors are most important in causing extinction rates to climb?

What is the value of nature's regulation of the climate in dollars per year?

How much larger is the value of climate regulation than recreation?

From a strictly value perspective, would it be more valuable for nature to be allowed to recycle nutrients or provide raw materials?

How is wilderness defined and who was the first president to set aside designated wilderness areas in the U.S.?

What are the four approaches proposed by scientists to speed up ecological succession processes?

In the plains states of the U.S. (Kansas, Nebraska, Texas, etc.), agricultural withdrawal of groundwater from aquifers has greatly exceeded the supply. Explain why removal of this resource will have long-term effects on the hydrologic cycle.

Using the environmental factors of moisture and temperature, describe the relationship between deserts, grasslands and forests.

At the present time the global human population surpasses seven billion people. If we exceed the carrying capacity of the earth, the human population may suffer a substantial collapse.

Consider the following formula for population change: population change = (births + immigration) ? (deaths + emigration) What will be required of humans in order to stabilize or reduce our population?

400 350 300 250 ? 200 150 6 100 50 Nutrient Climate Erosion Waste Recreation Raw cycling regulation control treatment materials Ecological service

Explanation / Answer

Answer:Honeybees are the backbone of cross-pollination around the world. Hence the collapse of honeybee colonies will damage farm yields and even tree and plant cover around the globe. With global warming, rising sea levels and already a reduced quality of food yield, the fact that honeybees are on their way to near-extinction, is one of the most worrying facts that directly affect us.  Throughout time, this collapse is considered to be triggered by a number of hypotheses. Some of which are:

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