Chris Dickman - Sustainable Population Australia
... have been extirpated by human activity • Potentially catastrophic losses of more species, populations, ecological processes and services are inevitable as the human population grows • Cultural memory loss and disconnection to the environment are likely with more people (and increasing urbanisation), ...
... have been extirpated by human activity • Potentially catastrophic losses of more species, populations, ecological processes and services are inevitable as the human population grows • Cultural memory loss and disconnection to the environment are likely with more people (and increasing urbanisation), ...
Diapositiva 1 - Lemon Bay High School
... population is experiencing rapid growth. When there are more adults than children, the population is declining. When the amount of people in different age level is equal, population is stable. ...
... population is experiencing rapid growth. When there are more adults than children, the population is declining. When the amount of people in different age level is equal, population is stable. ...
Probeseiten 1 PDF
... unusual in Earth’s history. Our analysis emphasizes that our global society has started to destroy species of other organisms at an accelerating rate, initiating a mass extinction episode unparalleled for 65 million years. If the currently elevated extinction pace is allowed to continue, humans will ...
... unusual in Earth’s history. Our analysis emphasizes that our global society has started to destroy species of other organisms at an accelerating rate, initiating a mass extinction episode unparalleled for 65 million years. If the currently elevated extinction pace is allowed to continue, humans will ...
Ch 05 - Evolution Biodiversity and Population Ecology
... individuals no longer come in contact, so their genes no longer mix. 2. If there is no contact, the mutations that occur in one population cannot spread to the other. Populations can be separated in many ways. Life’s diversification results from numerous speciation events. Speciation and extinction ...
... individuals no longer come in contact, so their genes no longer mix. 2. If there is no contact, the mutations that occur in one population cannot spread to the other. Populations can be separated in many ways. Life’s diversification results from numerous speciation events. Speciation and extinction ...
05_3eOutline
... individuals no longer come in contact, so their genes no longer mix. 2. If there is no contact, the mutations that occur in one population cannot spread to the other. Populations can be separated in many ways. Life’s diversification results from numerous speciation events. Speciation and extinction ...
... individuals no longer come in contact, so their genes no longer mix. 2. If there is no contact, the mutations that occur in one population cannot spread to the other. Populations can be separated in many ways. Life’s diversification results from numerous speciation events. Speciation and extinction ...
Chapter 5 Study Guide –KEY
... occupy more than one level. 14. What is a Habitat Conservation Plan? The Habitat Conservation Plan is an agreement between stakeholders (people with different interests) about land use. It includes compromises between total protection and total conversion of animal habitats to human use. Why might i ...
... occupy more than one level. 14. What is a Habitat Conservation Plan? The Habitat Conservation Plan is an agreement between stakeholders (people with different interests) about land use. It includes compromises between total protection and total conversion of animal habitats to human use. Why might i ...
Document
... 14. Describe the Snowshoe Hare / Canadian Lynx relationship. 15. This will be an extra credit question – What is the paradox of enrichment? 16. Define alpha (α), beta (β) and gamma (γ) diversity. How are they related to one another? 17. What is species richness? What is Biodiversity? 18. Create a fl ...
... 14. Describe the Snowshoe Hare / Canadian Lynx relationship. 15. This will be an extra credit question – What is the paradox of enrichment? 16. Define alpha (α), beta (β) and gamma (γ) diversity. How are they related to one another? 17. What is species richness? What is Biodiversity? 18. Create a fl ...
Ecological crisis
... African Elephant Status Report 2007[ there are approximately between 470,000 and 690,000 African elephants in the wild. Although this estimate only covers about half of the total elephant range, experts do not believe the true figure to be much higher, as it is unlikely that large populations remain ...
... African Elephant Status Report 2007[ there are approximately between 470,000 and 690,000 African elephants in the wild. Although this estimate only covers about half of the total elephant range, experts do not believe the true figure to be much higher, as it is unlikely that large populations remain ...
ATMOS 397G Presentation
... to result in a loss of species diversity Any addition of a resource to a community will lead to the dominance of the species than can use the resource most efficiently ...
... to result in a loss of species diversity Any addition of a resource to a community will lead to the dominance of the species than can use the resource most efficiently ...
chapter 5 learning objectives
... 1.1.1. Differentiate between ecosystem, species and genetic diversity. 1.1.2. List the number of species named and number of species estimated on Earth. 1.1.3. Define species richness and species evenness. Give an example of an area with high richness and low evenness, high richness and high evennes ...
... 1.1.1. Differentiate between ecosystem, species and genetic diversity. 1.1.2. List the number of species named and number of species estimated on Earth. 1.1.3. Define species richness and species evenness. Give an example of an area with high richness and low evenness, high richness and high evennes ...
Pleistocene Vertebrates
... Name comes from Greek meaning “most” and “new” 4 major glaciation events End of the Pleistocene corresponds to the end of the Paleolithic period in Archaeology ...
... Name comes from Greek meaning “most” and “new” 4 major glaciation events End of the Pleistocene corresponds to the end of the Paleolithic period in Archaeology ...
Speciation_and_Extinction_chapter_6
... • There have been 5 documented periods of extinction • Each of these has been followed by major bursts of speciation • KT Asteroid ...
... • There have been 5 documented periods of extinction • Each of these has been followed by major bursts of speciation • KT Asteroid ...
Carrying Capacity
... Carrying Capacity Notes Population Density is the measurement of a population per unit area. Populations are often measured in organisms per mile or organisms per acre. For example, deer populations might be 250 deer/mile. Healthy populations must maintain a certain population density. Too low of a ...
... Carrying Capacity Notes Population Density is the measurement of a population per unit area. Populations are often measured in organisms per mile or organisms per acre. For example, deer populations might be 250 deer/mile. Healthy populations must maintain a certain population density. Too low of a ...
4.1.1-4.2.4 Biodiversity
... Ocean temperature change Sea level changes Meteorites Glaciations Global climate change Competition/predation ...
... Ocean temperature change Sea level changes Meteorites Glaciations Global climate change Competition/predation ...
Vehicles, trains and planes emit toxic gases that
... accidentally introduced in the United States and Canada through the ballast water of commercial ships that were transporting goods to the Great Lakes region in the 1980s. They have been spreading ever since and have recently been found in lakes in Massachusetts; they attach to recreational boats an ...
... accidentally introduced in the United States and Canada through the ballast water of commercial ships that were transporting goods to the Great Lakes region in the 1980s. They have been spreading ever since and have recently been found in lakes in Massachusetts; they attach to recreational boats an ...
Review Questions Topic 4
... B) What are some factors surrounding the background rate that are difficult to explain? 3. Geological Time Scale Know the following: A) B) C) D) ...
... B) What are some factors surrounding the background rate that are difficult to explain? 3. Geological Time Scale Know the following: A) B) C) D) ...
Review Questions Topic 4
... Size – bigger is usually better because it minimizes edge effects. Smaller sometimes better due to more diversity in habitat Shape – circular usually better to minimize edge effects ( ectozones) . Actually based on what is available so most parks are irregular in shape. Edge effects- where 2 habita ...
... Size – bigger is usually better because it minimizes edge effects. Smaller sometimes better due to more diversity in habitat Shape – circular usually better to minimize edge effects ( ectozones) . Actually based on what is available so most parks are irregular in shape. Edge effects- where 2 habita ...
Meat-eaters versus carnivores: Is your diet killing wolves?
... "Global livestock production continues to encroach on land needed by large carnivores, particularly in the developing world, where livestock production tripled between 1980 and 2002," reports the study. But if our very food production brings us to blows with other meat-eaters, surely we need the lan ...
... "Global livestock production continues to encroach on land needed by large carnivores, particularly in the developing world, where livestock production tripled between 1980 and 2002," reports the study. But if our very food production brings us to blows with other meat-eaters, surely we need the lan ...
Examining the Extinction of the Pleistocene Megafauna
... In addition to the climatic changes occurring in the late Pleistocene, modern Homo sapiens hunter-gatherers were migrating across the Berengia land bridge into North and South America. The dates of the extinctions of the megafauna coincide with the Clovis culture in the Americas. Thus, the argument ...
... In addition to the climatic changes occurring in the late Pleistocene, modern Homo sapiens hunter-gatherers were migrating across the Berengia land bridge into North and South America. The dates of the extinctions of the megafauna coincide with the Clovis culture in the Americas. Thus, the argument ...
![122 [Study Guide] 25-2 The History of Life](http://s1.studyres.com/store/data/014490358_1-f485f85b11b8efb7ccfafd7e473e3b02-300x300.png)
122 [Study Guide] 25-2 The History of Life
... Note: this topic is filled with dates of important events in the history of life. The specific dates are not important, but understanding the sequence of events is. On p. 14 of this handout is a clockface diagram that you will fill in with important events. ...
... Note: this topic is filled with dates of important events in the history of life. The specific dates are not important, but understanding the sequence of events is. On p. 14 of this handout is a clockface diagram that you will fill in with important events. ...
Holocene extinction
The Holocene extinction, sometimes called the Sixth Extinction, is a name proposed to describe the currently ongoing extinction event of species during the present Holocene epoch (since around 10,000 BCE) mainly due to human activity. The large number of extinctions span numerous families of plants and animals including mammals, birds, amphibians, reptiles and arthropods. Although 875 extinctions occurring between 1500 and 2009 have been documented by the International Union for Conservation of Nature and Natural Resources, the vast majority are undocumented. According to the species-area theory and based on upper-bound estimating, the present rate of extinction may be up to 140,000 species per year.The Holocene extinction includes the disappearance of large mammals known as megafauna, starting between 9,000 and 13,000 years ago, the end of the last Ice Age. This may have been due to the extinction of the mammoths whose habits had maintained grasslands which became birch forests without them. The new forest and the resulting forest fires may have induced climate change. Such disappearances might be the result of the proliferation of modern humans. These extinctions, occurring near the Pleistocene–Holocene boundary, are sometimes referred to as the Quaternary extinction event. The Holocene extinction continues into the 21st century.There is no general agreement on whether to consider this as part of the Quaternary extinction event, or as a distinct event resulting from human-caused changes. Only during the most recent parts of the extinction have plants also suffered large losses. Overall, the Holocene extinction can be characterized by the human impact on the environment.