Essays about: "Fertility decline"

Showing result 21 - 25 of 34 essays containing the words Fertility decline.

  1. 21. Land cover change and its influence on soil erosion in the Mara region, Tanzania : using satellite remote sensing and the Revised Universal Soil Loss Equation (RUSLE) to map land degradation between 1986 and 2013

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Klara Århem; Fredrik Fredén; [2014]
    Keywords : Revised Universal Soil Loss Equation; land cover change; geography; physical geography; soil erosion; land degradation; RUSLE ; remote sensing; Landsat; Earth and Environmental Sciences;

    Abstract : Sub-Saharan Africa suffers from land degradation, depletion of natural resources and rural poverty. In the Lake Victoria Basin, where large parts of the population are small scale farmers, people are facing such issues coupled with altered climatic conditions. READ MORE

  3. 22. Fertility before and after installation of Herd Navigator™

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Matilda Birgersson; [2013]
    Keywords : Herd Navigator; progesterone; reproductive performance; dairy cows; heat detection;

    Abstract : The fertility of dairy cows is of great importance in order to maintain high production. The decline in fertility of dairy cows the latest decades can have several explanations. READ MORE

  4. 23. Socio-economic Determinants of Fertility and Female Labor Force Participation in the Philippines

    University essay from Lunds universitet/Ekonomisk-historiska institutionen

    Author : Gerolf Aurig; [2012]
    Keywords : Fertility; socio-economic determinants; education; place of residence; contraception; female labor force participation; Philippines; Social Sciences;

    Abstract : Socio-economic variables substantially determine fertility behavior and female labor force participation. Temporal fluctuations in socio-economic determinants of fertility and female labor force participation seem inevitable since they are subject to societal developments in the Philippines. READ MORE

  5. 24. RUSSIAN REGIONAL SCENARIOS OF FERTILITY RESPONSES TO MODERNIZATION, 1958-1978.

    University essay from Lunds universitet/Ekonomisk-historiska institutionen

    Author : Olga Shibaeva; [2011]
    Keywords : modernization; fertility in Russia; fertility in XX century.; Social Sciences;

    Abstract : The link “modernization-fertility” is an important object for analysis. Modernization changes every society economically, culturally, demographically. READ MORE

  6. 25. Variation in protein precipitation and phenolic content within and among species across an elevational gradient in subarctic Sweden

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Elin Olofsson; [2010]
    Keywords : Phenolic compounds; Protein complexation; Elevational gradient; Subarctic; Fertility gradient;

    Abstract : This project investigated how elevation and vegetation type influences variation in plant litter phenolic content and protein precipitation capacity among and within common plant species for two different vegetation types, heath and meadow, in a subarctic ecosystem in the Abisko region of northern Sweden. As nutrient availability generally decreases with increasing elevation as a result of decreasing temperature, I hypothesised that phenolic content would increase with elevation and be higher on the heath than the meadow. READ MORE