PPT, 220 KB
... that were preset in historical times, eradicate invasive aliens. New mindset: species that were historically perceived to be alien may need to be permitted, or even actively aided, to colonize. ...
... that were preset in historical times, eradicate invasive aliens. New mindset: species that were historically perceived to be alien may need to be permitted, or even actively aided, to colonize. ...
Why is Climate Change an Issue?
... …Forests are both a result of, and a contributing factor to climate… ...
... …Forests are both a result of, and a contributing factor to climate… ...
ALIEN INVASION - Arrowhead High School
... between natives and invasives Too simple to describe processes at work? ...
... between natives and invasives Too simple to describe processes at work? ...
CHAPTER 4.2 EXAM REVIEW: 1. Give examples of both biotic and
... 3. If lack of rainfall causes an organism to leave its usual habitat or niche, the behavior is caused by a change in what kind of factor? (biotic or abiotic) A change in an abiotic factor. 4. Define niche. the range of physical and biological conditions in which an organism lives and the way in whic ...
... 3. If lack of rainfall causes an organism to leave its usual habitat or niche, the behavior is caused by a change in what kind of factor? (biotic or abiotic) A change in an abiotic factor. 4. Define niche. the range of physical and biological conditions in which an organism lives and the way in whic ...
Slide 1
... • Triggers classically studied as either temperature or lighting variations • Suggest relationship to large-scale global climate phenomena – Ex. North Atlantic Oscillation (NAO) – Huppop and Huppop (2003) ...
... • Triggers classically studied as either temperature or lighting variations • Suggest relationship to large-scale global climate phenomena – Ex. North Atlantic Oscillation (NAO) – Huppop and Huppop (2003) ...
Endangered Species Act: Recent Developments (Powerpoint)
... • Court okays models because no better model available, their weaknesses were acknowledged, and they are “rationally related” to the reality they seek to depict • Query: should the plaintiffs use a “substantial evidence” objection instead? ...
... • Court okays models because no better model available, their weaknesses were acknowledged, and they are “rationally related” to the reality they seek to depict • Query: should the plaintiffs use a “substantial evidence” objection instead? ...
TEK 8.11C Effects of Environmental Change Reading
... extinction of species, or shifts to different ecosystem communities. For example, many years of drought in a grassland area may lead to the disappearance of plant and animal species that need more rainfall, and an increase of desert species such as cacti that can survive with less rainfall. The Grea ...
... extinction of species, or shifts to different ecosystem communities. For example, many years of drought in a grassland area may lead to the disappearance of plant and animal species that need more rainfall, and an increase of desert species such as cacti that can survive with less rainfall. The Grea ...
Introduction to the Earth
... Large Scale Extinction • Large meteorite impacts can result in mass extinctions Example: Cretaceous-Tertiary event that wiped dinosaurs, and many other species, from the face of the earth ...
... Large Scale Extinction • Large meteorite impacts can result in mass extinctions Example: Cretaceous-Tertiary event that wiped dinosaurs, and many other species, from the face of the earth ...
the Human Impacts Powerpoint
... Any molecule that can exist as a gas in our atmosphere with three or more atoms can absorb infrared radiation. -Water vapor -Carbon dioxide -Methane -Nitrous oxide -Ozone *(occasionally just 2) ...
... Any molecule that can exist as a gas in our atmosphere with three or more atoms can absorb infrared radiation. -Water vapor -Carbon dioxide -Methane -Nitrous oxide -Ozone *(occasionally just 2) ...
Unit 4 powerpoint
... • Adaptation or adaptive trait- any heritable trait that enables an individual to survive • In order for natural selection to occur, a trait must be heritable, meaning that it can be passed down from one generation to another. The trait must also lead to differential reproduction. ...
... • Adaptation or adaptive trait- any heritable trait that enables an individual to survive • In order for natural selection to occur, a trait must be heritable, meaning that it can be passed down from one generation to another. The trait must also lead to differential reproduction. ...
Community Composition, Interactions, and Productivity
... • One mechanism proposed to explain this paradox is the fact that lake conditions are not in a state of equilibrium for more than 1 month before the system is disturbed; it would take longer than this for 1 species to become dominant. • Disturbances can be difficult to characterize (vary in magnitud ...
... • One mechanism proposed to explain this paradox is the fact that lake conditions are not in a state of equilibrium for more than 1 month before the system is disturbed; it would take longer than this for 1 species to become dominant. • Disturbances can be difficult to characterize (vary in magnitud ...
Platform Meeting
... Annex I and habitats of the species listed in Annex II, shall enable the natural habitat types and the species' habitats concerned to be maintained or, where appropriate, restored at a favourable conservation status in their natural range. ...
... Annex I and habitats of the species listed in Annex II, shall enable the natural habitat types and the species' habitats concerned to be maintained or, where appropriate, restored at a favourable conservation status in their natural range. ...
Document
... another 5730 years to degrade to 2.5 grams and another 5730 years to degrade to 1.25 grams, etc. • Based on the ratio of C-14 and C-12 in the sample, the age can be determined. For really old samples, other radiometric dating like potassium and uranium ...
... another 5730 years to degrade to 2.5 grams and another 5730 years to degrade to 1.25 grams, etc. • Based on the ratio of C-14 and C-12 in the sample, the age can be determined. For really old samples, other radiometric dating like potassium and uranium ...
Ch. 5 Review
... An ecological niche is important because it shows that all species play a role. These cause for organisms to be different from each other by their physical features. That can cause an overlap where 2 dominant species fight to get resources. Overlap can cause an increase and decrease in species ...
... An ecological niche is important because it shows that all species play a role. These cause for organisms to be different from each other by their physical features. That can cause an overlap where 2 dominant species fight to get resources. Overlap can cause an increase and decrease in species ...
Conservation of Biodiversity - IB BiologyMr. Van Roekel Salem High
... ◦ Restoration – restore land to natural state, can include clearing existing species and replanting ◦ Recovery of threatened species – maintains habitats of endangered species and reintroduction ◦ Removal of introduced species – removal of invasive species that have dominated environment ◦ Legal Pro ...
... ◦ Restoration – restore land to natural state, can include clearing existing species and replanting ◦ Recovery of threatened species – maintains habitats of endangered species and reintroduction ◦ Removal of introduced species – removal of invasive species that have dominated environment ◦ Legal Pro ...
Ecology ppt.
... Extinction • Extinction of a species occurs when it ceases to exist; may follow environmental change - if the species does not evolve • Evolution and extinction are affected by: – large scale movements of continents – gradual climate changes due to continental drift or orbit changes – rapid clim ...
... Extinction • Extinction of a species occurs when it ceases to exist; may follow environmental change - if the species does not evolve • Evolution and extinction are affected by: – large scale movements of continents – gradual climate changes due to continental drift or orbit changes – rapid clim ...
giant invasive snakes threaten u.s. ecosystems
... pythons, boa constrictors and yellow anacondas. These species put larger portions of the U.S. mainland at risk, constitute a greater ecological threat, or are more common in trade and commerce. Medium-risk species, including the reticulated python, Deschauensee's anaconda, green anaconda and Beni an ...
... pythons, boa constrictors and yellow anacondas. These species put larger portions of the U.S. mainland at risk, constitute a greater ecological threat, or are more common in trade and commerce. Medium-risk species, including the reticulated python, Deschauensee's anaconda, green anaconda and Beni an ...
species - Bennatti
... edge effects • Patch size is not always the best predictor of patch quality ...
... edge effects • Patch size is not always the best predictor of patch quality ...
Niche - msmcgartland
... A native species is a species (type of living thing) that has lived in an ecosystem for a long time. An introduced species is a species that is new to an ecosystem. Introduced species can arrive naturally (animals move, seeds carried by wind) or by humans. Impact of Introduced Species Introd ...
... A native species is a species (type of living thing) that has lived in an ecosystem for a long time. An introduced species is a species that is new to an ecosystem. Introduced species can arrive naturally (animals move, seeds carried by wind) or by humans. Impact of Introduced Species Introd ...
Slide 1
... species invade & are packed into the landscape, the niche occupied by each species becomes smaller 2) Filtering hypothesis = reduction in the # of species during dispersal 3) Stepping stone hypothesis = smaller islands that lie between the main recipient island & its mainland colonizing source incre ...
... species invade & are packed into the landscape, the niche occupied by each species becomes smaller 2) Filtering hypothesis = reduction in the # of species during dispersal 3) Stepping stone hypothesis = smaller islands that lie between the main recipient island & its mainland colonizing source incre ...
Invasive Species - Department of Environmental Studies
... timber pets biocontrol Data source: US Department of Transportation, 2004 ...
... timber pets biocontrol Data source: US Department of Transportation, 2004 ...
Rachel Markey, “Observed Phenology and Winter Injury of Seedlings Within the Northern Forest Mesocosm (NFoRM) Climate Change Experiment”, Aiken Forestry Sciences
... One of the most observable responses to global climate change is the alteration of plant phenology, which has large effects on productivity and species interactions. Climatic change may also have increased effects on plant injury, which could influence phenological cycles by altering a plant’s ab ...
... One of the most observable responses to global climate change is the alteration of plant phenology, which has large effects on productivity and species interactions. Climatic change may also have increased effects on plant injury, which could influence phenological cycles by altering a plant’s ab ...