How Species are Monitored
Direct measurements of biodiversity through
surveillance and monitoring programs.
Experimental and analytical research.
Reporting management and policy actions.
Assessments of sources to build
Polygenic Several genes affecting a system
Latent variation So much variation that not all genotypes are expressed
Epistasis a phenotypic trait is determined by complex interactions among mult
Genetic hitchhiking If a favorable allele is linked to a
10 March 2015
Eye of the Taiga: A Look at the Environmental Components of the Boreal Forest Biome
The taiga, also known as the boreal forest, is a biomea geographic area that has a distinct
climate and community of
Earth Day Fun Environmental Fact Sheet:
1. Approximately 20 million people across the United States celebrated the first
Earth Day, on April 22, 1970. Today, more than 1 billion people around the world
take part in the event.
2. In 1995 over 200 of the wo
Part 4: Population Growth - Opposing Factors
Factors that increase people's desires to have children
Birth reduction pressures
Factors that tend to reduce fertility
Decisions on how many children to have are influenced by many factor
ENVI 1020 Current Events Quiz #6
The National Fish and Wildlife Service is considering listing polar bears endangered due
A) over hunting B) sea ice loss C) food source loss D) fungal disease
PART 5:OTHER AGRICULTURAL RESOURCES
Water Fertilizer Energ
When a disease is introduced into a new environment, natural balance may be tipped,
leading to an epidemic.
Chestnut Blight, Whirling Disease, Amphibian fungus
Toxic Pollutants - Pesticides, Lead , DDT
Climate Change polar bears Gene
Chapter 7 Food and Agriculture
Part 1: Nutrition and Food Supplies
Chronic Hunger and Food Security - within families that don't get enough to eat, women
and children have the poorest diets.
Biomes and Biodiversity
Part 1: Biomes
Broadly defined life zones
Environments with similar climates, topographies, soil conditions, and biological
Distribution mainly dependent on temperature and precipitation
Chapter 4 Human Populations
Part 1: Population Growth
World population now 6.57 billion (Feb 13, 2007)
Current Birth and Death Rates
Every second: about 4 children are born, while about 2 other people die
Net gain: 2.3 humans added to the world populati
Chapter 3: Species Populations, Interactions and Communities
Chapter 3 - Topics
Who Lives Where, and Why? Species Interactions Population Dynamics
Communities in Transition
Part 1: Who Lives Where, and Why?
Generalists vs. Speciali
Chapter 2: Environmental Systems: Connections, Cycles, Flows, and Feedback
The scientific study of relationships between organisms and their environment
Examines the life histories, distribution, and behavior of individual species, as wel
BIODIVERSITY Biodiversity - Variety of living things.
Genetic Diversity - Measures variety of different versions of same genes.
Species Diversity - Measures number of different kinds of organisms within a
Ecological Diversity - Measures richnes