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Locations with hot tropical climates often suffer underdevelopment due to low fertility of soils, excessive plant transpiration, ecological conditions favoring infectious diseases, and unreliable water supply. These factors can cause tropical zones to suffer a 30% to 50% decrease in productivity relative to temperate climate zones.
The tick population is affected by weather and climate. Many factors determine tick population densities as well as diseased population densities of ticks so that no single factor can determine likelihood of exposure to tick-borne disease. [1] Overall climate [2] and primary host population [3] determine the
Climate change affects human health at all ages, from infancy through adolescence, adulthood and old age. [3] Factors such as age, gender and socioeconomic status influence to what extent these effects become wide-spread risks to human health. [9]: 1867 Some groups are more vulnerable than others to the health effects of climate change. These ...
Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans , but sometimes to other living organisms too. It is a key geographical term.
It focuses on how populations are distributed across space, the factors influencing these distributions, and the implications for resources, environment, and societal development. This branch of geography integrates demographic data with spatial analysis to understand patterns such as population density, urbanization, and migration trends.
Carrying capacity is a commonly used concept for biologists when trying to better understand biological populations and the factors which affect them. [1] When addressing biological populations, carrying capacity can be seen as a stable dynamic equilibrium, taking into account extinction and colonization rates. [ 16 ]
Blue Zones are the five regions in the world where people are known to live long, healthy lives. These areas are Okinawa, Japan; Sardinia, Italy; Nicoya, Costa Rica; Ikaria, Greece and Loma Linda ...
Based on factors of dispersal, disturbance, resources limiting climate, and other species distribution, predictions of species distribution can create a bio-climate range, or bio-climate envelope. The envelope can range from a local to a global scale or from a density independence to dependence.