Concept explainers
To determine: Some of the environmental effects observed in the deforestation study at Hubbard Brook Experimental Forest (HBEF).
Introduction: In the field of ecology, there are several ecosystem studies that are going on to measure the processes of energy flow, nutrient cycle, and the effects of human-induced disturbances, and natural disturbances. There are some short-term and long-term experiments that are going on in the field of ecology. Some ecosystem studies like Hubbard Brook Experimental Forest (HBEF) are conducted in a 3100-hectare area reserved in the White Mountain National Forest in New Hampshire. This is the long-term experimental study in the field of ecosystem. There are various experiments that are done at HBEF based on field studies. Those are salamander population observations and chemical and biological effects of acidification. There are some long-term experiments such as deforestation and ecosystem management that is also conducted.

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Chapter 55 Solutions
BIOLOGY >PRINT UPGRADE<
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- Choose a catecholamine neurotransmitter and describe/draw the components of the synapse important for its signaling including synthesis, packaging into vesicles, receptors, transporters/degradative enzymes. Describe 2 drugs that can act on this system.arrow_forwardThe following figure is from Caterina et al. The capsaicin receptor: a heat activated ion channel in the pain pathway. Nature, 1997. Black boxes indicate capsaicin, white circles indicate resinferatoxin. a) Which has a higher potency? b) Which is has a higher efficacy? c) What is the approximate Kd of capsaicin in uM? (you can round to the nearest power of 10)arrow_forwardWhat is the rate-limiting-step for serotonin synthesis?arrow_forward
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