JOHANNESBURG CITY PARKS & ZOO GREEN WASTE …
... Tons produced 2234.18kg p/w and 70259.58kg p/m from animal enclosures Source of waste: green waste such as leaves, grass from grass cutting and herbivores waste (e.g. Lucerne,hay/teff) as well as animal faeces/waste Program on waste management: 2 Co-ops recycling through (remade) and compostin ...
... Tons produced 2234.18kg p/w and 70259.58kg p/m from animal enclosures Source of waste: green waste such as leaves, grass from grass cutting and herbivores waste (e.g. Lucerne,hay/teff) as well as animal faeces/waste Program on waste management: 2 Co-ops recycling through (remade) and compostin ...
ecology quiz - HIS IB Biology 2011-2013
... The total solar energy received by a grassland is 5 × l05 kJ m–2 y–1. The net production of the grassland is 5 × 102 kJ m–2 y–1 and its gross production is 6 × l02 kJ m–2 y–1. The total energy passed on to primary consumers is 60 kJ m–2 y–1. Only 10 % of this energy is passed on to the secondary con ...
... The total solar energy received by a grassland is 5 × l05 kJ m–2 y–1. The net production of the grassland is 5 × 102 kJ m–2 y–1 and its gross production is 6 × l02 kJ m–2 y–1. The total energy passed on to primary consumers is 60 kJ m–2 y–1. Only 10 % of this energy is passed on to the secondary con ...
The effects of interaction of biotic and abiotic factors
... summer, at the onset of the growing season, is important because ecosystems shift from low CO2 release under snow cover, to CO2 uptake after snow melting (Lüers et al. 2014). The Svalbard archipelago provides a representative example of the Arctic tundra presenting high variability in soil character ...
... summer, at the onset of the growing season, is important because ecosystems shift from low CO2 release under snow cover, to CO2 uptake after snow melting (Lüers et al. 2014). The Svalbard archipelago provides a representative example of the Arctic tundra presenting high variability in soil character ...
June 2015 Mark Scheme 21
... Examples of countries at different levels of economic development are provided to compare the USA with Brazil, India and China. Answers need to demonstrate an understanding of how lifestyle, economic development and population growth can increase the demand for resources to an unsustainable level. T ...
... Examples of countries at different levels of economic development are provided to compare the USA with Brazil, India and China. Answers need to demonstrate an understanding of how lifestyle, economic development and population growth can increase the demand for resources to an unsustainable level. T ...
Unit 2 Lesson 1 Overview of Ecology
... Describe how relationships among organisms (predation, parasitism, competition, commensalism, mutualism) add to the complexity of biological communities. 6.4 Explain how water, carbon, and nitrogen cycle between abiotic resources and organic matter in an ecosystem, and how oxygen cycles through phot ...
... Describe how relationships among organisms (predation, parasitism, competition, commensalism, mutualism) add to the complexity of biological communities. 6.4 Explain how water, carbon, and nitrogen cycle between abiotic resources and organic matter in an ecosystem, and how oxygen cycles through phot ...
Practice Exam
... c) community d) organism e) biome 61. What percent of the incoming solar energy is captured by the green plants and bacteria and fuels photosynthesis to make the organic compounds that most life-forms need to survive. a) 90% b) 66% c) 40% d) 10% e) less than 1% 62. The cycle most responsible for lin ...
... c) community d) organism e) biome 61. What percent of the incoming solar energy is captured by the green plants and bacteria and fuels photosynthesis to make the organic compounds that most life-forms need to survive. a) 90% b) 66% c) 40% d) 10% e) less than 1% 62. The cycle most responsible for lin ...
Dynamic ecosystems
... Assuming that there is not a major growth period in this population in the next 15 years, the group that is currently 20-24 years old will be in the 35-39 age ...
... Assuming that there is not a major growth period in this population in the next 15 years, the group that is currently 20-24 years old will be in the 35-39 age ...
Chapter 37
... Average net primary productivity (g/m2/yr) Copyright © 2009 Pearson Education, Inc. ...
... Average net primary productivity (g/m2/yr) Copyright © 2009 Pearson Education, Inc. ...
Downloadable - University of New Hampshire
... services these systems provide. Expansion of urban and peri-urban agriculture (UPA), on the other hand, may hold promise to both expand the portfolio of ecosystem services available in built environments, where ecosystem services are typically low, and reduce pressure to convert sensitive non-urban, ...
... services these systems provide. Expansion of urban and peri-urban agriculture (UPA), on the other hand, may hold promise to both expand the portfolio of ecosystem services available in built environments, where ecosystem services are typically low, and reduce pressure to convert sensitive non-urban, ...
Competition - Cal State LA
... • A concept that encompasses all of the individual environmental requirements of a species • This is definitely an abstract concept, but it helps us to organize and explain ecological phenomena ...
... • A concept that encompasses all of the individual environmental requirements of a species • This is definitely an abstract concept, but it helps us to organize and explain ecological phenomena ...
BIOL4_Revision checklist - gale-force-glyn
... an efficient pesticide? How are biological agents used to control pests? What is integrated pest management? ...
... an efficient pesticide? How are biological agents used to control pests? What is integrated pest management? ...
stri science symposium - Smithsonian Tropical Research Institute
... Given that ticks (Acari: Ixodida) are among the most important vectors of disease to both animals and humans, we have been studying the factors that influence their patterns of host association, species diversity and distribution. Analyses of molecular data and a comparative dataset of feeding assoc ...
... Given that ticks (Acari: Ixodida) are among the most important vectors of disease to both animals and humans, we have been studying the factors that influence their patterns of host association, species diversity and distribution. Analyses of molecular data and a comparative dataset of feeding assoc ...
ecosystem freshwater - Conservation International
... that functioning ecosystems provide to people. These services, many of which are critical for supporting life on Earth, include provision of fresh water, protection from storm surges/flooding, fertile soil and food, clean air, climate regulation, and medicines. The global market value for the provis ...
... that functioning ecosystems provide to people. These services, many of which are critical for supporting life on Earth, include provision of fresh water, protection from storm surges/flooding, fertile soil and food, clean air, climate regulation, and medicines. The global market value for the provis ...
File - Bruner science
... PCBs and DDT (dichlorodiphel trichloroethane) are classified as Persistent Organic Pollutants (POPs), which contain carbon and remain in the soil and water for long periods of time. -Watch the following videos on DDT: a) 1947 advertisement for DDT: https://www.youtube.com/watch?v=gtcXXbuR244 b) Rach ...
... PCBs and DDT (dichlorodiphel trichloroethane) are classified as Persistent Organic Pollutants (POPs), which contain carbon and remain in the soil and water for long periods of time. -Watch the following videos on DDT: a) 1947 advertisement for DDT: https://www.youtube.com/watch?v=gtcXXbuR244 b) Rach ...
When and How Much to Reproduce: The Trade
... and not the power of its supply alone that made one diet less digestible than the other. In fact, the food that was consumed at the higher rate provides a lower power of assimilated energy. In order for feeding behavior to work as a power trade-off analogous to Atwood's machine, an animal would have ...
... and not the power of its supply alone that made one diet less digestible than the other. In fact, the food that was consumed at the higher rate provides a lower power of assimilated energy. In order for feeding behavior to work as a power trade-off analogous to Atwood's machine, an animal would have ...
Biomes and Succession Power Point
... 3. Mosses & ferns can grow in new soil → die & add more nutrients to soil 4. Grasses & wildflowers can move in → die & add more nutrients to soil 5. Shrubs & trees can survive 6. End in Climax community ...
... 3. Mosses & ferns can grow in new soil → die & add more nutrients to soil 4. Grasses & wildflowers can move in → die & add more nutrients to soil 5. Shrubs & trees can survive 6. End in Climax community ...
Food Chain Checkers - Windows to the Universe
... A food chain is a group of living things that depend on one another for energy. Energy is passed along the food chain. All living things need energy. Animals and many single-celled protists get the energy they need from the food they eat. Plants and algae get the energy they need from the Sun. Bacte ...
... A food chain is a group of living things that depend on one another for energy. Energy is passed along the food chain. All living things need energy. Animals and many single-celled protists get the energy they need from the food they eat. Plants and algae get the energy they need from the Sun. Bacte ...
Ecology: Organisms and their environment
... Are mosquitoes of any use to anyone or anything? If all mosquitoes were killed, would anything bad happen? You might say they’re just pests, but if you could ask the opinion of a sunfish, a tadpole, a dragonfly, or a swallow, you’d get a different answer. For these animals and others, mosquitoes and ...
... Are mosquitoes of any use to anyone or anything? If all mosquitoes were killed, would anything bad happen? You might say they’re just pests, but if you could ask the opinion of a sunfish, a tadpole, a dragonfly, or a swallow, you’d get a different answer. For these animals and others, mosquitoes and ...
Saving water in your garden
... Composting is the process of organic substances (food, garden waste and other materials) breaking down whilst housed in a large container or heap. Decomposition is performed by a variety of bacteria, invertebrates and fungi. Once fully decomposed, the dark soil-like substance can be incorporated int ...
... Composting is the process of organic substances (food, garden waste and other materials) breaking down whilst housed in a large container or heap. Decomposition is performed by a variety of bacteria, invertebrates and fungi. Once fully decomposed, the dark soil-like substance can be incorporated int ...
COMMUNITY STRUCTURE AND DYNAMICS
... Ecosystems are supplied with a continual influx of energy from the – sun and – Earth’s interior. ...
... Ecosystems are supplied with a continual influx of energy from the – sun and – Earth’s interior. ...
Boneseed (Chyrsantemoides monilifera subsp. monilifera, best
... boneseed; some will mainly affect broadleaved plants, others are nonselective. The degree to which desirable plant species will tolerate unintentional exposure to different herbicides is hard to predict and advice should be sought if there is concern over especially valuable species. Choice of herbi ...
... boneseed; some will mainly affect broadleaved plants, others are nonselective. The degree to which desirable plant species will tolerate unintentional exposure to different herbicides is hard to predict and advice should be sought if there is concern over especially valuable species. Choice of herbi ...
the NEFMC Glossary
... Bycatch: (v.) the capture of nontarget species in directed fisheries which occurs because fishing gear and methods are not selective enough to catch only target species; (n.) fish which are harvested in a fishery but are not sold or kept for personal use, including economic discards and regulatory d ...
... Bycatch: (v.) the capture of nontarget species in directed fisheries which occurs because fishing gear and methods are not selective enough to catch only target species; (n.) fish which are harvested in a fishery but are not sold or kept for personal use, including economic discards and regulatory d ...