Which biome has the greatest diversity

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Least diversity? Kate M. Apr 5, Explanation: As temperature and precipitation decrease, biodiversity generally decreases. High species diversity : Tropical forests are widely considered to have the greatest species diversity of the terrestrial biomes but diversity is also high in the temperate deciduous biome and Low species diversity : The tundra biome has the least biodiversity , but the northern coniferous biome also has low species diversity.

Related questions What is the Law of Tolerance? Tropical Forest Biomes. Figure 2: Life-form spectra in different climates. Raunkiar classified plant life forms on traits that varied with climate, such as the perennating organ, or tissues that give rise to new growth the following season. Savanna Biomes. Figure 3: Life-form spectra in similar Mediterranean type climates on different continents.

Life-form spectra are more alike in similar climates on different continents than they are in different climates on the same continent. Desert Biomes. Figure 4: Biomes of the world. Biomes are regions of similar climate and dominant plant types. Figure 5: Tropical forest biome climate diagram.

Climate in these areas show little seasonal variation with high yearly rainfall and relatively constant, warm temperatures. Grassland Biomes. Figure 6: Savanna biome climate diagram. Savannas are located north and south of tropical forest biomes and are characterized by lower yearly rainfall and longer dry seasons.

Figure 7: Desert biome climate diagram. There is a greater variability in desert types, with hot deserts, cold deserts, high elevation deserts, and rain shadow deserts. Figure 8: Grassland biome climate diagram. Grassland biomes occur primarily in the interiors of continents and are characterized by large seasonal temperature variations, with hot summers and cold winters.

Temperate Deciduous Forest Biome. Figure 9: Temperate deciduous forest climate diagram. Temperature deciduous forests occur in mid-latitudes and are characterized by cool winters, warm summers, and high year round precipitation occurs. Mediterranean Climate Biomes. Figure Mediterranean biome climate diagram. There are five separate regions between degrees N and S latitude with hot, dry summers, and cool, moist winters.

Northern Coniferous Forest Biome. Located at higher latitudes is a biome dominated by needle-leaved, drought tolerant, evergreen trees Figure 4 , and a climate consisting of long, cold winters and short, cool summers Figure Biodiversity is low in this two-layered forest made up of an overstory of trees and a ground layer of herbs or mosses.

The overstory in much of the boreal forest is made up of only one or two species. The low biodiversity is mirrored by low net primary productivity of — g m -2 yr Productivity varies with precipitation, the length of the frost-free period, and local soil drainage.

In flooded areas, sphagnum bogs may develop. The acidic tissue of sphagnum, and the anoxic, flooded conditions, slows decomposition, resulting in the production of peat bogs. Figure Boreal forest biome climate diagram.

Boreal forests are characterized by needle-leaved, drought tolerant, evergreen trees, and a climate consisting of long, cold winters and short, cool summers. Tundra Biome. Figure Tundra biome climate diagram. Very short growing seasons and temperatures that are below zero degrees Celsius for much of the year characterize tundras. References and Recommended Reading Archbold, O. Ecology of World Vegetation.

Cain, S. Life-forms and phytoclimate. Botanical Review 16 , Whittaker, R. Communities and Ecosystems. London, UK: Macmillan, Wilson, E. The Diversity of Life. Article History Close.