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The cost of replacing these indirect uses of biodiversity, even if it were technically possible, would be so high as to render it impossible to duplicate. We also do not know how to quantify these services comprehensively, mainly because most ecosystem services are so poorly understood even now.
Economists are, however, increasingly attempting to place values on such indirect uses of biodiversity. Since indirect use values do not enter directly into human preferences and are often widely and freely available, their value is often ignored and not incorporated into development decisions or national budgets. However, as natural habitats and resources decline, their ecological processes and functions will become scarcer, and their economic values will become more recognised until eventually mechanisms are designed for marketing these services. For instance, there is an increased trend towards establishing user changes for freshwater supply and disposal in developed countries as this commodity becomes, more scarce for human use.
For example sectors such as agriculture, industry and hydro generation requiring a clean accessible supply of water are taxed in China to compensate communities whose development options are constrained by the need to maintain watersheds.
What is the etiological agent of amebiasis? How is it transmitted and what are the typical manifestations of the disease? Amebiasis is caused by the protozoan Entamoeba histoly
What is the Results of Congenital Pulmonary Stenosis? Early mortality for open pulmonary valvotomy in neonates varies between 6 and 10 per cent. For infants and children, surgi
Cost of Accidents Immediate Cost Immediate cost takes into account the loss of work, damages to equipment and facilities which have to repaired and restored or replaced
How does vitamin C act in the body? What is the harm caused by insufficiency of vitamin C? Why was this deficiency also known as "sailors' disease"? Vitamin C, or ascorbic acid
The Features of Retrograde Peri-Implantitis include: - Periapical Bone loss without gingival inflammation. - Microflora consisting mainly of streptococci and nonmotile organ
The Jones family was caught in a fire but escaped. Unfortunately the father and daughter suffered burns. The father had second degree burns on his chest, abdomen, and both arms, an
Is dwarf pampas grass invasive? No. the root system is shallow and extends only as far as the plant is large. Though if the irrigation system is installed poorly and the pipes
Elaborate the following term in detail - Macronucleus. One of two types of dimorphic nuclei found in ciliate protozoans. Macronucleus contains multiple copies of genome (polypl
TETRASACCHARIDES The oligosaccharides are formed by condensation of four monosaccharides. T rachyos e is a nonreducing tetrasaccharide found in plants as transport ca
Define Regents for Estimation of Vitamin C - Colorimetric Method? 1. 2, 4 dinitrophenylhydrazine reagent - Dissolve 2 g of dinitrophenyl hydrazine in 100 ml of 9N sulphuric aci
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