From Populations to the Biosphere
... Growth of the Human Population There are two different beliefs about what type of growth the human population undergoes: 1. Neo-Malthusians believe that human population growth cannot continue without destroying the environment, and maybe humans themselves. 2. Cornucopians believe that the Earth can ...
... Growth of the Human Population There are two different beliefs about what type of growth the human population undergoes: 1. Neo-Malthusians believe that human population growth cannot continue without destroying the environment, and maybe humans themselves. 2. Cornucopians believe that the Earth can ...
Pfeiffer et al. 2003
... the inspection of different microhabitats. Vegetation patterns of each plot were recorded. Statistical evaluation comprised ordination and correlation. Results We observed 15 species of ants at seed baits. Three faunal complexes of ants could be distinguished by detrended correspondence analysis (DC ...
... the inspection of different microhabitats. Vegetation patterns of each plot were recorded. Statistical evaluation comprised ordination and correlation. Results We observed 15 species of ants at seed baits. Three faunal complexes of ants could be distinguished by detrended correspondence analysis (DC ...
The Structure of Ecosystems
... sunlight, the primary source of energy in most ecosystems. The amount of light available for photosynthesis is usually not an important limiting factor in the productivity of ecosystems on land. In water, however, the intensity and quality of light for photosynthesis decreases with depth. As a resul ...
... sunlight, the primary source of energy in most ecosystems. The amount of light available for photosynthesis is usually not an important limiting factor in the productivity of ecosystems on land. In water, however, the intensity and quality of light for photosynthesis decreases with depth. As a resul ...
Scale, Environment, and Trophic Status: The Context Dependency
... 2002; Srivastava 1999). Despite such intensive study, conclusions continue to expound the primacy of both local ecological interactions (e.g., Winkler and Kampichler 2000; Munguia 2004) and regional species pools (e.g., Caley and Schluter 1997; Witman et al. 2004) in driving local richness, and a wi ...
... 2002; Srivastava 1999). Despite such intensive study, conclusions continue to expound the primacy of both local ecological interactions (e.g., Winkler and Kampichler 2000; Munguia 2004) and regional species pools (e.g., Caley and Schluter 1997; Witman et al. 2004) in driving local richness, and a wi ...
Patterns of Biodiversity III
... A. The Species-Area Relationship B. The Latitudinal trend in Diversity 1. The Pattern - across all types of organisms (plants, animals, protists) that live in all types of habitats (terrestrial, marine, freshwater), we see that diversity increases from the poles to the tropics. This general pattern ...
... A. The Species-Area Relationship B. The Latitudinal trend in Diversity 1. The Pattern - across all types of organisms (plants, animals, protists) that live in all types of habitats (terrestrial, marine, freshwater), we see that diversity increases from the poles to the tropics. This general pattern ...
Ecological and evolutionary traps
... an ecological trap because the evolved preferences or DARWINIAN ALGORITHMS [9] of the birds lead them to seek the heterogeneous habitat now encountered primarily along edges. However, that choice is no longer adaptive because of the unusually high density and diversity of predators and parasites fou ...
... an ecological trap because the evolved preferences or DARWINIAN ALGORITHMS [9] of the birds lead them to seek the heterogeneous habitat now encountered primarily along edges. However, that choice is no longer adaptive because of the unusually high density and diversity of predators and parasites fou ...
ecosystem stability
... Includes both the number of species present and their abundance. 4. Habitat diversity = The range of different habitats or number of ecological niches per unit area in an ecosystem, community or biome. Conservation of habitat diversity usually leads to conservation of species and genetic diversity D ...
... Includes both the number of species present and their abundance. 4. Habitat diversity = The range of different habitats or number of ecological niches per unit area in an ecosystem, community or biome. Conservation of habitat diversity usually leads to conservation of species and genetic diversity D ...
Evolutionary diversification, coevolution between populations and
... approaches to understanding ecological communities (1) and geographic distributions (9) has increased recently, in part as a result of two analytical/conceptual developments. One of these developments is ecological niche modeling, based on ecological conditions at locations recorded for a species; t ...
... approaches to understanding ecological communities (1) and geographic distributions (9) has increased recently, in part as a result of two analytical/conceptual developments. One of these developments is ecological niche modeling, based on ecological conditions at locations recorded for a species; t ...
MASTER SYLLABUS
... After completing the reading assignments and viewing the programs the student will be able to: 1-1.recognize the fascination the sea has held for generations of people; 1-2.appreciate the variety of organisms residing in the ocean environment; 1-3.describe some of the features one would see in the u ...
... After completing the reading assignments and viewing the programs the student will be able to: 1-1.recognize the fascination the sea has held for generations of people; 1-2.appreciate the variety of organisms residing in the ocean environment; 1-3.describe some of the features one would see in the u ...
The Ethics of Reviving Long Extinct Species
... be a tremendous scientific and technological achievement. Accomplishing it would require advances in genetics and synthetic biology, among other fields. It would likely spin off further research programs, technologies, and applications. Scientific knowledge would also be gained from studying the dev ...
... be a tremendous scientific and technological achievement. Accomplishing it would require advances in genetics and synthetic biology, among other fields. It would likely spin off further research programs, technologies, and applications. Scientific knowledge would also be gained from studying the dev ...
Ecological and Evolutionary Drivers of Geographic Variation in
... of geographic variation in species diversity can most profitably be evaluated. Although I am interested in understanding the general causes of geographic variation in diversity across the globe, I focus much of this review on the latitudinal diversity gradient, because this is the predominant and be ...
... of geographic variation in species diversity can most profitably be evaluated. Although I am interested in understanding the general causes of geographic variation in diversity across the globe, I focus much of this review on the latitudinal diversity gradient, because this is the predominant and be ...
Reptile assemblages across agricultural landscapes
... and even loss of the pre–existing habitats. These processes clearly have serious consequences on many organisms, and understanding how anthropic pressure influences the distribution, the population dynamics and the ecology of other species is a fundamental step for conservation. Over the last decade ...
... and even loss of the pre–existing habitats. These processes clearly have serious consequences on many organisms, and understanding how anthropic pressure influences the distribution, the population dynamics and the ecology of other species is a fundamental step for conservation. Over the last decade ...
351 - Teaching Biology and Science Blog
... 2. The general term for the biotic relationship in which one organism feeds upon another is _PREDATION__________. 3. A symbiotic relationship in which one organism benefits and another is often harmed but not killed is called __PARASITISM________. 4. The symbiotic relationship in which one organism ...
... 2. The general term for the biotic relationship in which one organism feeds upon another is _PREDATION__________. 3. A symbiotic relationship in which one organism benefits and another is often harmed but not killed is called __PARASITISM________. 4. The symbiotic relationship in which one organism ...
The Ethics of Reviving Long Extinct Species
... be a tremendous scientific and technological achievement. Accomplishing it would require advances in genetics and synthetic biology, among other fields. It would likely spin off further research programs, technologies, and applications. Scientific knowledge would also be gained from studying the dev ...
... be a tremendous scientific and technological achievement. Accomplishing it would require advances in genetics and synthetic biology, among other fields. It would likely spin off further research programs, technologies, and applications. Scientific knowledge would also be gained from studying the dev ...
Chapter 23 the early Tracheophytes
... Website for Rost et al/Plant Biology 2e, ISBN: 0534495958 Objectives Chapter #23 ...
... Website for Rost et al/Plant Biology 2e, ISBN: 0534495958 Objectives Chapter #23 ...
Continental Drift - Ashland Independent Schools
... Quick Questions What are some things that make the theory of Continental drift difficult to accept? As you read, see how your ideas compare with people who first heard the theory. Why was the scientific community dissatisfied with the theory of continental drift? ...
... Quick Questions What are some things that make the theory of Continental drift difficult to accept? As you read, see how your ideas compare with people who first heard the theory. Why was the scientific community dissatisfied with the theory of continental drift? ...
The role of ecological interactions in determining species
... Cross-reference between this database and the extensive data on geographical distributions of species held by the associated national recording schemes enables us to address some fundamental questions about the factors controlling species ranges and changes therein. Understanding interactions betwee ...
... Cross-reference between this database and the extensive data on geographical distributions of species held by the associated national recording schemes enables us to address some fundamental questions about the factors controlling species ranges and changes therein. Understanding interactions betwee ...
AP BIOLOGY SUMMER ASSIGNMENT 2013
... 4. Define fixed action patterns and give examples in fish and humans. 5. Explain how mayflies are threatened by an inappropriate response to an environmental stimulus. 6. Describe the evolutionary basis for behavioral ecology. Explain why these adaptations may result in suboptimal behavior. 7. Expla ...
... 4. Define fixed action patterns and give examples in fish and humans. 5. Explain how mayflies are threatened by an inappropriate response to an environmental stimulus. 6. Describe the evolutionary basis for behavioral ecology. Explain why these adaptations may result in suboptimal behavior. 7. Expla ...
video slide - Somers Public Schools
... Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings ...
... Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings ...
Honors Biology – Chapters 3-5
... Explain the three main ecological methods of research (observing, experimenting, modeling) Explain the benefits and limitations of ecosystem observing, experimenting, and modeling Given ecosystem data, calculate the population density of an organism ...
... Explain the three main ecological methods of research (observing, experimenting, modeling) Explain the benefits and limitations of ecosystem observing, experimenting, and modeling Given ecosystem data, calculate the population density of an organism ...
How do ecologists select and use indicator species
... 5. Early warning of environmental change VII. Climate Change: What is the proportion of IS publications that used for monitoring climate change related issues? ...
... 5. Early warning of environmental change VII. Climate Change: What is the proportion of IS publications that used for monitoring climate change related issues? ...
Evolutionary History Uniting History and Biology to Understand Life
... crop-eating insects. (Because we are talking about populations of animals rather than single individuals, we will make some species in the story plural.) The cats that ate the rats that ate the malt in the house that Jack built were predators akin to insects that prey on other insects. Now let us mo ...
... crop-eating insects. (Because we are talking about populations of animals rather than single individuals, we will make some species in the story plural.) The cats that ate the rats that ate the malt in the house that Jack built were predators akin to insects that prey on other insects. Now let us mo ...
Feb 6 Primary Productivity: Controls, Patterns, Consequences
... LAI is a key parameter governing ecosystem processes because it determines both the area that is potentially available to absorb light and the degree to which light is attenuated through the canopy. GPP correlates closely with leaf area below an LAI of about 4, suggesting that leaf area is a critica ...
... LAI is a key parameter governing ecosystem processes because it determines both the area that is potentially available to absorb light and the degree to which light is attenuated through the canopy. GPP correlates closely with leaf area below an LAI of about 4, suggesting that leaf area is a critica ...
Research Guidelines - IUCN Otter Specialist Group
... Eurasian otters and N American river otters often live in highly developed areas, sometimes even in cities. They have been somewhat better-studied most other species, although we still know little about some of their important ecological characteristics. Their conservation is often at loggerheads wi ...
... Eurasian otters and N American river otters often live in highly developed areas, sometimes even in cities. They have been somewhat better-studied most other species, although we still know little about some of their important ecological characteristics. Their conservation is often at loggerheads wi ...
Community assembly, coexistence and the environmental filtering
... presence of certain consumers can also ‘filter’ out taxa by preventing their establishment. However, lumping these interactions with abiotic interactions into ‘environmental filtering’ because they both generate the same phenotypic or phylogenetic patterns leads to circular reasoning if these patterns ...
... presence of certain consumers can also ‘filter’ out taxa by preventing their establishment. However, lumping these interactions with abiotic interactions into ‘environmental filtering’ because they both generate the same phenotypic or phylogenetic patterns leads to circular reasoning if these patterns ...
Biogeography
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area. Phytogeography is the branch of biogeography that studies the distribution of plants. Zoogeography is the branch that studies distribution of animals.Knowledge of spatial variation in the numbers and types of organisms is as vital to us today as it was to our early human ancestors, as we adapt to heterogeneous but geographically predictable environments. Biogeography is an integrative field of inquiry that unites concepts and information from ecology, evolutionary biology, geology, and physical geography.Modern biogeographic research combines information and ideas from many fields, from the physiological and ecological constraints on organismal dispersal to geological and climatological phenomena operating at global spatial scales and evolutionary time frames.The short-term interactions within a habitat and species of organisms describe the ecological application of biogeography. Historical biogeography describes the long-term, evolutionary periods of time for broader classifications of organisms. Early scientists, beginning with Carl Linnaeus, contributed theories to the contributions of the development of biogeography as a science. Beginning in the mid-18th century, Europeans explored the world and discovered the biodiversity of life. Linnaeus initiated the ways to classify organisms through his exploration of undiscovered territories.The scientific theory of biogeography grows out of the work of Alexander von Humboldt (1769–1859), Hewett Cottrell Watson (1804–1881), Alphonse de Candolle (1806–1893), Alfred Russel Wallace (1823–1913), Philip Lutley Sclater (1829–1913) and other biologists and explorers.