Coldspot and Hotspot Analysis Flashcards
Characteristics of UNIQUE areas on Earth
Biologically rich but highly threatened
3 threats to rich biodiversity
- Urbanization
- Pollution
- Disease outbreak
Today, species are going extinct at the _____ rate
unimaginable
Areas or region on earth which are among the richest in terms of biodiversity but at the same time the most endangered bio-region in the planet
Biodiversity hotspot
Biodiversity hotspots must have at least ____ vascular plants as endemics
1,500
Biodiversity hotspots must have a high percentage of plant life found ____ on the planet.
nowhere else
A hotspot is _____
irrepleaceable
Hotspots must have ___ or less of its original natural vegetation threatened
30%
When was the word “biodiversity hotspot” coined?
1988
Who is the British ecologist who coined the word “biodiversity hotspot”
Norman Myers
Norman Myers identified ____ “hotspots” as areas with both ____ and ____
exceptional levels of plant endemism, serious levels of habitat loss
How many percent of all species of vascular plants are confined in 25 hotspots?
~44%
How many percent of all species in four vertebrate groups are confined in the 25 hotspots?
35%
hotspot expanses comprise ____ of the red areas
30±3%
On a global scale, the 25 hotspots are mostly located in the ____
tropics
The intact habitats of those in the 25 hotspots represent just ____ of land’s surface but they support more than ____ of the world’s plant species as endemics
2.5%, half
The hotspots in the tropics comprise nearly ___ of birds, mammal, reptile, and amphibian species as _____
43%, endemics
4 criteria used for the “hottest hotspot”
- Numbers of endemics (plants/vertebrates)
- Endemic species/area
- Ratios for both plants and vertebrates
- Rate of habitat loss
2 Reasons why Biodiversity hotspots matter
- Biodiversity underpins all life on Earth
2. Biodiversity hotspots serves as natural habitats of human civilization
How does biodiversity underpins all life on Earth? (3)
- Loss of species would mean no air to breathe
- No food to eat, no water to drink
- No human society will succeed
How do biodiversity hotspots serve as a natural habitat for human civilization? (2)
- Hotspots are among the richest and most important ecosystems
- Home to many vulnerable populations who are directly dependent on nature
Hotspots make up ____ of the vital “ecosystem services” that vulnerable human populations rely upon
35%
Four ecosystem services provided by hotspots
- Climate stability
- Nutrient recycling and storage
- Pollution breakdown and absorption
- Protection of water resources
What are the 10 most threatened biodiversity hotspots
- Atlantic Forest
- Polynesia
- Cerado
- Himalaya
- Cape Floral Region
- Coastal Forest
- Mesoamerica
- Indo-Burma-Myanmar
- Philippines
- Madrean-Pine Oak Woodlands
What are the four countries that the Atlantic Forest covers?
- Brazil
- Paraguay
- Argentina
- Uruguay
How many plant species are in the Atlantic Forest?
20,000
How many species on Atlantic Forest are endemic
8,000 species
How large is the original cover of the Atlantic forest?
1.2 million square km
How large is the remaining cover of the Atlantic forest?
100,000 square kilometers
What are the three threats to the cover of Atlantic forest?
- Coffee plantation
- Cattle ranching
- Urbanization
What are the two regions that Polynesia covers? (2)
- Micronesia
2. South Pacific Ocean
Area of Polynesia
41,285 square km
What are the four biomes in Polynesia?
- Coastal wetlands
- Coral atolls
- Savannas
- TRF
Polynesia is famously known for being?
Epicenter of the present global extinction crisis
How many endemic bird species are present in Polynesia?
90
How many bird species in Polynesia had become extinct in 2 centuries?
25
Two threats to the population of bird species in Polynesia
- Invasive species
2. Overhunting
In what country is Cerrado located?
Brazil
Reputation of Cerrado Brazil
Largest woodland savannah in South America
How many are the threatened bird species in Cerrado?
10
How many are the threatened endemic plant species in Cerrado?
4,400
3 threatened fauna species in Cerrado
- Armadillo
- Jaguar
- Giant anteater
How large is the remaining cover of Cerrado?
450,000 square kilometers
2 Threats in biodiversity of Cerrado
- Agriculture
2. Animal farming
6 Countries covered by Himalaya
- Nepal
- Bhutan
- Pakistan
- Bangladesh
- Myanmar
- China
Area of Himalaya
More than 185,427 square kilometers
4 Natural landscapes in Himalayas
- Alluvial grasslands
- Mountains
- Subtropical broadleaf forests
- Alpine meadows
Fraction of remaining natural landscapes in Himalaya
1/4
4 animal species that still reside in Himalaya
- Wild water buffalo
- Vultures
- Tigers
- Elephant
In what region is Cape Floral Region located?
South Africa
The reputation of the Cape Floral Region
World’s largest concentration of diverse plant species per square km
How many diverse plant species are in Cape Floral Region?
9,000
How many plant species was determined as threatened in Cape Floral Region?
1,435
How many plant species in the Cape Floral Region are endemic?
6,210
2 Important Animals in the Cape Floral Region?
- Cape sugar-bird
2. Geometeric tortoise
In what region is the Coastal Forest located?
Eastern Africa
Where is the Coastal forest exactly located?
Eastern coast of Somalia, Kenya, Tanzania, and Mozambique
2 Critically endangered monkey species in coastal forest?
- Mangabey Monkey
2. Colobus Monkey
Threat to the biodiversity of the Coastal Forest?
Agricultural expansion for commercial farming and subsistence agriculture
How many percent is the remaining forest cover in Coastal forests?
10%
8 Countries covered by Mesoamerica
- Mexico
- Guatemala
- Belize
- Honduras
- El Salvador
- Nicaragua
- Costa Rica
- Panama
How many plant species are in Mesoamerica?
17,000
Mesoamerica is home to incredible numbers of endemic ___, ___, and ____
mammals, birds, amphibians
Mesoamerica is home to? (2 animals)
- Howler monkey
2. Quetzal
Area of remaining forest cover of Mesoamerica
226,000 square km
5 Countries covered by Indo-Burma-Myanmar
- Thailand
- Cambodia
- Vietnam
- China
- India
How many endemic plant species are in Indo-Burma-Myanmar?
7,000
Percent of remaining habitat of Indo-Burma-Myanmar
5%
3 Important Animals in the Indo-Burma-Myanmar?
- Annamite striped rabbit
- Large-antlered muntjac
- Freshwater turtle
2 types of forest in Indo-Burma-Myanmar?
- Tropical forest
2. Subtropical moist broadleaf forest
In what ocean is the Philippines located?
Pacific Ocean
The reputation of the Philippines in terms of biodiversity
richest areas in biodiversity globally
How many endemic species are in the Philippines
6,000
2 bird species in the Philippines with an indefinite number?
- Philippine Eagle
2. Cebu flowerpecker
Percent remaining forest cover of the Philippines
7%
How large is the original forest cover of the Philippines?
30M ha
Where is Madrean-Pine Oak Woodlands located?
Mexico
Percent lost woodlands in the Madrean-Pine Oak Woodlands
80%
Threat to the woodland cover of Madrean-Pine Oak Woodlands?
Logging
How many endemic plant species are in the Madrean-Pine Oak Woodlands?
4,000
What is the Madrean-Pine Oak Woodlands known for?
Millions of Monarch Butterfly
Areas that have low species diversity but that doesn’t mean they should be ignored
Cold Spots
Some biodiversity coldspots are home to some _____
very rare animals
If the aim is to conserve and protect the overall biodiversity, it is better to allow the _____ in a hotspot if this would permit the protection of the same number of species in a coldspot.
loss of some species
What is the cold spot of Ecuador
Montana
Percent biodiversity of Ecuador in Montana
12%
How many vertebrates are in Ecuador?
2,446 vertebrates
How many vascular plants are in Ecuador?
19,326
The protection of Montana will also have a direct impact on the neighboring national park that houses unique organisms. What is the national park?
Yellowstone National Park
A country that is not in the hotspot least but deserves urgent attention as it serves as a habitat for some of the most threatened animals
Kenya
2 Methods of Assessing Conservation Status
- DAO 2017-11
2. IUCN Red List
When was the DAO 2017-11 published?
May 2, 2017
The subject of DAO 2017-11
Updated National List of Threatened Philippine Plants and their Categories
Refers to any species, subspecies, varieties, or infraspecific categories facing an extremely high risk of extinction
Critically-endangered species
One example of critically endangered species
Olea palawanensis (Palawan olive)
Refers to any species, subspecies, varieties, or forma that is not critically endangered but whose survival in the wild is unlikely if the causal factor continues operating.
Endangered Species
One example of endangered species
Kibatalia stenopetala (Pasnit-kitid)
Naturally existing population of a species that can be distinguished by one of more morphological features
Forma
Refers to any species, subspecies, varieties, and other intraspecific categories that are not critically endangered or endangered but is under threats from adverse factors throughout their range and likely to be endangered
Vulnerable species
One example of Vulnerable species
Brackenridgea foxworthyi (Bansilai)
Refers to any species, subspecies, varieties, and other intraspecific categories that are not endangered or vulnerable but is under the threat from adverse factors such as over-collection in its natural range and may likely become vulnerable in the near future
Other Endangered Species
One example of other endangered species
Cinnamomum mercadoi (kalingag)
World’s most comprehensive inventory of the global conservation status of biological species
IUCN
World’s most comprehensive inventory of the global conservation status of biological species
IUCN Red List
Spell Out IUCN acronym
International Union for Conservation of Nature
IUCN uses a set of precise criteria to evaluate the _____ of thousands of species and subspecies
extinction risk
2 Reasons for releasing Red Lists
- Convey the urgency of conservation issues to the public and policymakers
- Help the international community to reduce species extinction
2 Reasons for releasing Red Lists
- Convey the urgency of conservation issues to the public and policymakers
- Help the international community to reduce species extinction
4 purposes of Red List
- Provide scientifically-based information on the status of species at a global level
- Draw attention to the magnitude and importance of threatened biodiversity
- Influence national and international policy and decision-making
- Provide information to guide actions to conserve biological diversity
How many species surveyed by the IUCN as of 2019?
105,000
How many species are considered at risk of extinction in the IUCN Red List because of various human activity?
28,338
9 IUCN categories
- Extinct
- Extinct in the Wild
- Critically endangered
- Endangered
- Vulnerable
- Near Threatened
- Least Concern
- Data deficient
- Not evaluated
Three IUCN categories considered as “threatened”
- CE
- EN
- VU
Three IUCN categories considered as “lower risk”
- DD
- NT
- LC
3 Mountain Ecosystems to Compare in Exercise 8
- Mt Iglit-Baco Natural Park
- Mt. Iraya
- Mt. Calavite Wildlife Sanctuary
Where is Mt Iglit-Baco Natural Park located?
Sablayan, Mindoro
Where is Mt. Iraya located?
Batanes Island
Where is Mt. Calavite Wildlife Sanctuary located?
Northwest of Mindoro
Endemic species in Mt. Iglit-Baco
Tamaraw (Bubalus mindorensis)
Inactive volcano in Batanes Island
Mt. Iraya
Mt. Calavite Wildlife Sanctuary forms the ___ extremity of Mindoro
northwestern