Topics: Demography, Demographic Data, Child Bearing, fertility, Measures of Reproductivity, Reproductivity, life table, Mortality Data, Measures of Migration

Topics: population, stationary population model, recurrence equations, population projection, projection matrix, life tables, continous analysis, renewal equation, laplace transform, demographic variables, population time series, interpolation, graduation, finite approximation, population explosion, marriage model, probability models, life table functions, fertility functions, birth process, death process, sex ratio, population distribution, individual behavior, branching theory, population model, mathematical demography, future population, life table

Topics: Reproduction, Gender, sex, Sexuality, Reproductive Messengers, Testicular Function, Ovarian Function, Gonadal Function, Puberty, steroid hormones, coitus, fertilization, Implantation, placenta, Maternal Recognition, Support of Pregnancy, fetus, Parturition, Lactation, Maternal Behaviour, fertility

Topics: Demography, Population Studies, Demographic Data, census, sample survey, population registers, population, Demographic Transition Theory, fertility, mortality, death, Infant Mortality Rate, Maternal Mortality Rate, Life Expectancy, Human Sexuality, Reproductive Health, migration

Topics: Population, demography, Demographic Data, Applied Demography, population force, Health, Mortality Transition, Fertility Transition, Migration Transition, Urban Transition, Age Transition, Life Course, Family Demograph, Life Chances, Environment, Global Sustainability

Topics: Maternal Near-miss, Maternal Mortality ratio, High risk fertility behaviour, unsafe abortion, Perinatal mortality

Topics: population size, fertility

Topics: Soil, rock weathering, soil formation, soil profile, soil classification, soil taxonomy, entisols, inceptisols, andisols, gelisols, histosols, Soil Architecture, soil color, soil texture, soil textural classes, mineral soils structure, tillage, soil density, soil water, soil water energy, soil water content, soil water potential, infiltration, percolation, water vapor movement, hydrologic cycle, soil-plant-atmosphere continuum, enhancing soil drainage, septic tank drain fields, soil aeration, redox potential, wetlands, soil temperature control, soil colloids, layer silicate clay structure, cation exchange capacity, soil acidity, soil ecology, soil organism, earthworms, ants, termites, soil algae, soil fungi, soil prokaryotes, soil organic, soil organic matter management, climate change, soil phosphorus, sulfur oxidation, sulfur retention, soil fertility maintenance, phosphorus cycle, ammonia volatilization, ammonia fixation, sulfur cycle, calcium, magnesium, silicon, trace elements, Practical Nutrient Management, chemical pollution, Geographic Soils Information

Topics: Soil Mineralogy, soil fertility, soil chemistry, pedology, Soil composition; soil air, soil water, kaolinite, Illite, Smectite, Mixed layer Clays Silica minerals, Iron, aluminum oxides, hydroxide, oxyhydroxides, Differential thermal analysis, X-Ray diffraction analysis, Infrared spectroscopy

Topics: Pasture, pasture establishment, pasture utilization, forage yield determination, forage conservation, pasture nutritive value, grass morphology, legumes, shrubs, Nigerian vegetation zone, rainforest, guinea savanna, Sudan Savanna, Mangrove zone, plant introduction, Soil fertility, Seedbed Preparation, conventional tillage, no-till seedbed, seeding rate, weed control, forest grazing