Philippine Biodiversity Overview

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Questions and Answers

What does physiological density measure?

  • Total farmers per total arable land
  • Total population per total arable land (correct)
  • Total area of arable land per total population
  • Total population per total land area

Which of the following correctly describes agricultural density?

  • Number of agricultural products produced per farmer
  • Total population divided by total agricultural production
  • Amount of farmers divided by total area of land (correct)
  • Total farmland area divided by number of farmers

What is a potential consequence of high physiological density in a society?

  • Increased risk of desertification of arable land (correct)
  • Improved food efficiency and less reliance on imports
  • Enhanced technological advancement in agriculture
  • Decreased population growth rates

Which natural cause of climate change is related to the movement of landmasses?

<p>Continental drift (D)</p> Signup and view all the answers

Which of the following is NOT a human cause of climate change?

<p>Volcanic activity (C)</p> Signup and view all the answers

What was the approximate population of the Philippines by the year 1903?

<p>7.6 million (D)</p> Signup and view all the answers

Which period saw an estimated population of 666,712 in the Philippines?

<p>Spanish Period (B)</p> Signup and view all the answers

What is a significant consequence of high birth rates in a population?

<p>Substantial portion of the population under age 15 (B)</p> Signup and view all the answers

What major factor contributed to exponential population growth in the Philippines after World War II?

<p>High birth rates (A)</p> Signup and view all the answers

What year did the population of the Philippines reach approximately 36.7 million?

<p>1970 (A)</p> Signup and view all the answers

Which factor is primarily responsible for the increase in urban population?

<p>Urban-rural migration seeking better opportunities (A)</p> Signup and view all the answers

Which of the following is a significant implication of the population explosion in the Philippines?

<p>Resource strain (B)</p> Signup and view all the answers

What defines a random population distribution?

<p>Individuals distributed without a predictable pattern (B)</p> Signup and view all the answers

What are provisioning services primarily concerned with?

<p>Tangible goods harvested from the environment (B)</p> Signup and view all the answers

One factor that contributed to high fertility rates in the Philippines has been:

<p>Cultural norms favoring large families (A)</p> Signup and view all the answers

What aspect of migration negatively impacts family structures?

<p>Separation of families due to overseas work (A)</p> Signup and view all the answers

Which of the following is an example of regulating services provided by ecosystems?

<p>Flood management through rainfall absorption (C)</p> Signup and view all the answers

What was the estimated population of the Philippines around the year 2020?

<p>109.6 million (C)</p> Signup and view all the answers

How does urbanization affect population dynamics?

<p>Contributes to population growth through migration (D)</p> Signup and view all the answers

How does biodiversity loss affect food security?

<p>It threatens the diversity of food sources. (D)</p> Signup and view all the answers

Which type of distribution arises from pre-emptive measures to avoid competition?

<p>Uniform Distribution (C)</p> Signup and view all the answers

How has urbanization impacted the Philippines amidst population growth?

<p>It has led to housing shortages. (B)</p> Signup and view all the answers

Which consequence is NOT a result of overpopulation in the Philippines?

<p>Sustainable economic development (C)</p> Signup and view all the answers

Which services are considered supporting services in ecosystems?

<p>Nutrient cycling and habitat provision (D)</p> Signup and view all the answers

What is a common consequence of climate vulnerability in urban areas?

<p>Increased risk of natural disasters (B)</p> Signup and view all the answers

Which of the following factors negatively affects the Philippines' biocapacity?

<p>High birth rates (D)</p> Signup and view all the answers

What effect does biodiversity loss have on mental health?

<p>It can significantly hinder natural benefits to mental well-being. (A)</p> Signup and view all the answers

What primarily drives labor migration from the Philippines?

<p>Higher wages and better living conditions abroad (A)</p> Signup and view all the answers

Which of the following statements regarding emerging infectious diseases is true?

<p>Human-caused changes like urban development contribute to their emergence. (B)</p> Signup and view all the answers

What negative social effect is associated with high levels of remittances from overseas workers?

<p>Increased dependency on external support (C)</p> Signup and view all the answers

What contributes to the challenge of accessing quality healthcare in the Philippines?

<p>Rural area disparities (C)</p> Signup and view all the answers

Cultural services in ecosystems primarily enhance which aspect of human life?

<p>Health and well-being through recreational and educational activities (B)</p> Signup and view all the answers

What do supporting services enable in ecosystems?

<p>Essential processes for ecosystem functionality (C)</p> Signup and view all the answers

Which factor does NOT contribute to biodiversity loss?

<p>Soil nutrient cycling (B)</p> Signup and view all the answers

What role does biodiversity play in human health?

<p>It provides essential ecosystem services for health. (A)</p> Signup and view all the answers

Which of the following statements accurately describes the Philippines' biodiversity?

<p>Approximately half of the Philippines' described species are endemic to the country. (B)</p> Signup and view all the answers

What environmental factors contribute to the uniqueness of ecosystems in the Philippines?

<p>Both abiotic and biotic factors together create the unique ecosystems. (D)</p> Signup and view all the answers

How many Important Bird Areas (IBAs) have been identified in the Philippines?

<p>117 IBAs (D)</p> Signup and view all the answers

Which of the following best defines 'ecosystem services'?

<p>Positive benefits provided by wildlife and ecosystems to people. (C)</p> Signup and view all the answers

What is the primary focus of taxonomy?

<p>Describing and classifying organisms and their relationships. (C)</p> Signup and view all the answers

During which period were 120 species of wildlife fauna discovered in the Philippines?

<p>1997 to 2016 (C)</p> Signup and view all the answers

Which of the following best describes a rainforest?

<p>It is a tropical woodland that receives over 100 inches of rain annually. (D)</p> Signup and view all the answers

What is the significance of the Key Biodiversity Area (KBA) approach in the Philippines?

<p>It helps identify conservation priorities through established frameworks. (D)</p> Signup and view all the answers

Flashcards

Megadiverse Country

A country with a large variety of plant and animal species, often including many unique species found nowhere else.

Philippine Biodiversity

The variety of plants, animals, and microorganisms found in the Philippines, including many endemic species.

Endemic Species

Species found only in a particular geographic area; not found anywhere else in the world.

Ecosystem Uniqueness

The specific combination of abiotic (non-living) and biotic (living) factors that create a particular environment.

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Rainforest

A tropical forest with high rainfall and a dense canopy of evergreen trees.

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Conservation Priority Areas (CPAs)

Specific areas in the Philippines identified for special conservation efforts due to high biodiversity value.

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Ecosystem Services

The benefits that people get from healthy ecosystems, such as clean air and water, pollination, etc.

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Taxonomy

The science of naming, describing, and classifying organisms (plants, animals, and microorganisms).

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Provisioning Services

Things we get directly from nature, like food, wood, and water.

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Regulating Services

Nature's role in managing natural processes, like climate and water.

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Cultural Services

Nature's benefits to our well-being, like recreation and spiritual connection.

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Supporting Services

Essential processes that keep nature working, like nutrient cycling.

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Biodiversity Loss

The decline of different life forms on Earth.

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Emerging Infectious Diseases

New or changing diseases spreading due to environmental changes.

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Food Insecurity

Lack of access to enough healthy food.

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Mental and Physical Health

Well-being supported by nature.

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Ecosystem Services & Human Health

Healthy nature provides important things for human health.

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Healthcare Accessibility

The ease with which people can access quality healthcare services.

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Education Challenge

The difficulty in providing quality education to a growing population, especially in rural areas.

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Overseas Filipino Workers (OFWs)

Filipinos who work abroad for better opportunities.

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Remittances

Money sent back to the Philippines by OFWs.

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Urban Concentration

The increasing number of people living in cities.

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Climate Vulnerability

The risk of experiencing natural disasters due to climate change.

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High Birth Rates

The average number of children a woman has in a country.

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Urbanization

The process of people moving from rural areas to cities.

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Uniform Distribution

Individuals in a population are spaced evenly.

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Random Distribution

Individuals in a population are scattered randomly.

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Pre-Colonial Period Population

The population of the Philippines before Spanish colonization was sparse due to scattered settlements.

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Spanish Colonization Impact

Spanish colonization significantly influenced population growth in the Philippines.

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American Period Growth

The early 20th century saw a significant population increase in the Philippines, fueled by improved healthcare and infrastructure.

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Post-WWII Growth

The Philippines experienced exponential population growth after World War II due to high birth rates and declining mortality rates.

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Population Explosion

The rapid increase in the Philippine population has several significant implications.

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Resource Strain

The rapid growth of the Philippine population has strained natural resources, leading to a deficit in essential resources.

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Economic Impact

While a large population can be beneficial, it also poses economic challenges, straining public services and making sustainable development difficult.

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Environmental Degradation

Overpopulation has led to environmental problems like deforestation, soil erosion, and pollution, impacting climate change.

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Fertility Rates

High birth rates in the Philippines have been a significant factor in population growth.

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Clumped Distribution

A population dispersion pattern where individuals are grouped together in clusters.

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Population Density

The number of individuals in a population per unit area or volume.

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Arithmetic Density

The total population divided by the total land area.

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Physiological Density

The total population divided by the total amount of arable land.

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Agricultural Density

The number of farmers divided by the total amount of arable land.

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Study Notes

Philippine Biodiversity Status

  • The Philippines is one of 17 megadiverse countries globally, with over 52,000 described species.
  • Half of these species are endemic, meaning they're found nowhere else.
  • The archipelago's islands are characterized by high endemism for both plants and animals.
  • From 1997 to 2016, over 300 new species of plants and animals were discovered.

Ecosystem Uniqueness and Factors

  • Ecosystem uniqueness comes from a specific combination of factors.
  • Abiotic factors include climate, soil type, and water availability.
  • Biotic factors involve the kinds of organisms present, their relationships, and their adaptations.

Key Biodiversity Areas (KBAs)

  • The KBA approach is used to prioritize conservation in the Philippines.
  • Important Bird Areas (IBAs) and Conservation Priority Areas (CPAs) are used as a basis for identifying KBAs.

Taxonomy

  • Taxonomy involves classifying and naming all living organisms in the world, including plants, animals, and microorganisms (prokaryotes and eukaryotes).

Philippine Biodiversity Benefits

  • Ecosystem services are positive benefits that wildlife and ecosystems provide to people, these can be direct or indirect. (small or large)
  • Provisioning services: food, materials, and other tangible goods.
  • Regulating services: managing natural processes such as climate, flood, and water.
  • Cultural services: impacting human well-being through recreation, education, spirituality
  • Supporting services: enable ecosystems to function, nutrient cycling, soil formation, and biodiversity support.

Effects of Biodiversity Loss on Human Health

  • Biodiversity loss impacts health in various ways, which includes the loss of life from genetic diversity to entire ecosystems collapse.
  • Emerging infectious diseases are connected to human-induced changes like deforestation, extractive industries, and urban development.
  • Food insecurity and malnutrition may be connected to biodiversity loss.

Philippine Population Growth

  • Population growth in the Philippines has been significant (due to high fertility rates and urbanization).
  • Population growth has implications like increased pressure on resources, urban overcrowding, and economic and environmental strains.

Population Distribution

  • Three types of population distribution are:
    • Uniform: Spacing organisms evenly
    • Random: Randomly scattered
    • Clumped: Organisms clustered together.

Agricultural Density

  • Agricultural density examines the amount of farmers per unit of arable land.
  • Higher agricultural density suggests more reliance on manual labor for food production, lower density suggests more efficient use of technology.

Climate Change and Global Warming

  • Climate change causes shifts in temperature and weather patterns.
  • This can have results in changes in species distribution and biodiversity.
  • Human activities are a major driver of climate change.

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