FBN 7202 - Makerere University Courses
... - The forest Growth cycle - Forest productivity - Nutrient dynamics of tropical forests - The role of plants as a food base in tropical forests - The forest animals - Forest resources and human activity 5. Tropical savannas - Introduction - Regional patterns - The climate of savanna regions - Soils ...
... - The forest Growth cycle - Forest productivity - Nutrient dynamics of tropical forests - The role of plants as a food base in tropical forests - The forest animals - Forest resources and human activity 5. Tropical savannas - Introduction - Regional patterns - The climate of savanna regions - Soils ...
Ecology
... Extinction Rates • The gradual process of becoming extinct is known as background extinction. • Mass extinctions: When a large percentage of all living species become extinct in a relatively short period of time. ...
... Extinction Rates • The gradual process of becoming extinct is known as background extinction. • Mass extinctions: When a large percentage of all living species become extinct in a relatively short period of time. ...
Biodiversity, biomes, biogeography, and human impacts
... o Behavioral patterns o Feeding high on the trophic level • evolution slower than extinction 2-100,000 generations for new sp. • How does extinction happen? • human role in gene pools? • What can we/you do??!! ...
... o Behavioral patterns o Feeding high on the trophic level • evolution slower than extinction 2-100,000 generations for new sp. • How does extinction happen? • human role in gene pools? • What can we/you do??!! ...
Biodiversity Species diversity and human activities
... Impact of agriculture As natural ecosystems develop them become complex communities with many individuals of a large number of different species. Agricultural ecosystems are controlled by humans. Farmers select species for particular qualities meaning the number of species, and genetic variety of al ...
... Impact of agriculture As natural ecosystems develop them become complex communities with many individuals of a large number of different species. Agricultural ecosystems are controlled by humans. Farmers select species for particular qualities meaning the number of species, and genetic variety of al ...
Biology
... • Even those species we don’t use are important to the health of species we do. • May need genes from species we don’t use for those we do. For example, Teosinte is a relative of corn. It can withstand viral diseases that kill corn. The gene that resists disease was used to engineer corn that can no ...
... • Even those species we don’t use are important to the health of species we do. • May need genes from species we don’t use for those we do. For example, Teosinte is a relative of corn. It can withstand viral diseases that kill corn. The gene that resists disease was used to engineer corn that can no ...
Global Biodiversity
... In addition to biodiversity hotspots, we can see some global trends in biodiversity: Diversity tends to be higher in the tropics than at higher latitudes. Why? In terrestrial habitats, diversity tends to be higher in mountainous regions. Why? In marine habitats, diversity tends to be higher in syst ...
... In addition to biodiversity hotspots, we can see some global trends in biodiversity: Diversity tends to be higher in the tropics than at higher latitudes. Why? In terrestrial habitats, diversity tends to be higher in mountainous regions. Why? In marine habitats, diversity tends to be higher in syst ...
Canihua - GFU for Underutilized Species
... It is acknowledged that one of the ways of achieving sustainable agriculture is to maintain genetic diversity and thereby achieve a better ecological relationship. What is amazing is the fact that the pre-Hispanic cultures which ranged over the Andean highlands had domesticated a great number of spe ...
... It is acknowledged that one of the ways of achieving sustainable agriculture is to maintain genetic diversity and thereby achieve a better ecological relationship. What is amazing is the fact that the pre-Hispanic cultures which ranged over the Andean highlands had domesticated a great number of spe ...
DENR Memorandum Circular No. 2004-06
... ecosystem functions of degraded forests; To promote and conserve biological diversity in the area; To form a buffer-zone around primary forest; To promote hydrologic integrity and biotic functions; and To improve incomes and well-being of upland farmers. ...
... ecosystem functions of degraded forests; To promote and conserve biological diversity in the area; To form a buffer-zone around primary forest; To promote hydrologic integrity and biotic functions; and To improve incomes and well-being of upland farmers. ...
File
... The species on our planet are not all distributed evenly. Areas around the _________________ have the greatest number of plant species. Because of this, it provides food and shelter to a wide variety of organisms. The number of organisms is greatest in tropical regions. ...
... The species on our planet are not all distributed evenly. Areas around the _________________ have the greatest number of plant species. Because of this, it provides food and shelter to a wide variety of organisms. The number of organisms is greatest in tropical regions. ...
PPT
... islands. • Rosy Wolf-Snail introduced to control Giant African Snail. • 50-75% of native land snails extinct. Simberloff, D., and P. Stiling. 1996. How risky is biological control? Ecology 77:1965-1974. ...
... islands. • Rosy Wolf-Snail introduced to control Giant African Snail. • 50-75% of native land snails extinct. Simberloff, D., and P. Stiling. 1996. How risky is biological control? Ecology 77:1965-1974. ...
biodiversity hotspots - University of Western Cape
... High diversity compared to temperate and polar regionslatitudinal gradient hypothesis 18 High degree of endemism in tropical regions 12 Restricted to relatively small land areas 12 Most tropical regions are under sever threat-mainly due to social and economical issues 12 Severe habitat los ...
... High diversity compared to temperate and polar regionslatitudinal gradient hypothesis 18 High degree of endemism in tropical regions 12 Restricted to relatively small land areas 12 Most tropical regions are under sever threat-mainly due to social and economical issues 12 Severe habitat los ...
Biological Diversity, Human Impacts, Conservation
... • Endangered -- population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters • Threatened -- any species which is likely to become endangered within the foreseeable future throughout all or a signifi ...
... • Endangered -- population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters • Threatened -- any species which is likely to become endangered within the foreseeable future throughout all or a signifi ...
What have we done!
... – transplanted populations grow exponentially in new area – non-native species out-compete native species • lack of competitors & predators • reduce diversity ...
... – transplanted populations grow exponentially in new area – non-native species out-compete native species • lack of competitors & predators • reduce diversity ...
CHAPTER 55 CONSERVATION BIOLOGY AND GLOBAL CHANGE
... • Extinction is a natural phenomenon that has been occurring since life evolved on earth. – The current rate of extinction is what underlies the biodiversity crisis. – A high rate of species extinction is being caused by humans. ...
... • Extinction is a natural phenomenon that has been occurring since life evolved on earth. – The current rate of extinction is what underlies the biodiversity crisis. – A high rate of species extinction is being caused by humans. ...
2_Evolution_Vocabula..
... Evolution is the theory that can explains how there are so many different living things on Earth. ...
... Evolution is the theory that can explains how there are so many different living things on Earth. ...
File
... have had a profound effect on other organisms. In the early years of the 21st century, it is estimated that one species will become extinct every 30 minutes. The majority of threatened species can be found in tropical rainforests. ...
... have had a profound effect on other organisms. In the early years of the 21st century, it is estimated that one species will become extinct every 30 minutes. The majority of threatened species can be found in tropical rainforests. ...
4/18
... Substantial areas of agricultural land are likely to be abandoned, because the population growth rates of many developing nations are slowing and because of increasing urbanization. This could enable significant forest regeneration, which could help buffer species losses from deforestation. ...
... Substantial areas of agricultural land are likely to be abandoned, because the population growth rates of many developing nations are slowing and because of increasing urbanization. This could enable significant forest regeneration, which could help buffer species losses from deforestation. ...
SAES CH9
... 1.8 million species are known, but there could be ~100 million still to be discovered. ...
... 1.8 million species are known, but there could be ~100 million still to be discovered. ...
“The Loss of Diversity Causes and Consequences”
... Interrelatedness of species within ecosystems and between ecosystems. Horseshoe crabs and Red Knot as an example Red Knots are a shore bird that overwinter in Argentina and southern South America then fly 10,000 miles to the high arctic to breed in the spring and early summer to breed. They re ...
... Interrelatedness of species within ecosystems and between ecosystems. Horseshoe crabs and Red Knot as an example Red Knots are a shore bird that overwinter in Argentina and southern South America then fly 10,000 miles to the high arctic to breed in the spring and early summer to breed. They re ...
Conservation biology
... A few million years is a long time to wait for recovery It is not clear that biodiversity will rebound this time Humans are utilizing resources that new species would need to evolve Endemism Endemic: a species found in a particular region and nowhere else Levels of endemism high for areas ...
... A few million years is a long time to wait for recovery It is not clear that biodiversity will rebound this time Humans are utilizing resources that new species would need to evolve Endemism Endemic: a species found in a particular region and nowhere else Levels of endemism high for areas ...
L06 Endemism and Biodiversity Hotspots ppt
... Yellow-crested cockatoo (Critically Endangered) less than 7000 individuals remain ...
... Yellow-crested cockatoo (Critically Endangered) less than 7000 individuals remain ...
Tropical Andes
The Tropical Andes is a subregion of the Andes spanning all of the Andes except the southern mediterranean and temperate zones. The Tropical Andes area spans 1,542,644 km2.