2 | Chapter 9: Philippine Forest Tree Flashcards
_____ Change in an Ecosystem
_____ Natural, gradual changes in the types of species that live in an area; can be ____ or _____
The gradual replacement of one plant community by another through natural processes over time
Ecological Succession
Succession
Primary or Secondary
_____ the gradual growth of an ecosystem in an area lacking soil over a long period of time
Often takes several hundred to a few thousand years
____ Occurs when a plant community has been destroyed without severe disturbance to the soil. Typically much faster but not always
Primary
Secondary
Areas where primary succession can occur: (3)
Place without any soil
Sides of volcanoes
Landslides
Flooding
Primary Successions:
Starts with the arrival of living things such as ___ that do not need soil, they are called ____. They help break down rocks into smaller pieces and introduce organic matter at death.
Simple plants like ___ and ___ can grow in the new soil, adding more organic material to the soil.
The ____ thichkens. Grasses, wildflowers, other plants, and small animals begin to take over. Once those die, shrubs, trees, and larger animals can now survive in the area.
lichens
pioneer species
Mosses
Ferns
Soil layer
Terrestrial primary succession in Boreal Forest Biome
1.
2.
3.
4.
5.
Exposed rocks colonized by lichens
Small Herbs and Shrubs
Heath mat
Pine, Spruce and Aspen
Climax Community (Balsam fir, paper birch, white spruce)
______
- loudes explosion (noise) ever on earth
- The ashes lingered for 9 years
- Killed more than 36, 000 people
- Created tsunami 120 ft high
- Nothing was left on the island
Krakatoa
1883
Secondary Successions (5):
Is initiated by an event like a forest fire, hurricane, or harvesting a crop
The already-established ecosystem is reduced or drastically changed on preexisting soil.
- Herbs, Grasses
- Perennial plants / grasses
- Shrubs, Woody Pioneers
- Short Lived Pioneer Trees
- Mature Forest
______
- White lauan
- Shorea is a genus of about 106 species of mainly rainforest trees. The genus is named after Sir _____, the governer-general of the British East India Company, 1793-1798
Shorea contorta S. Vidal
John Shore
______
- Red lauan
- Is one of the Philippine dark-red mahogany group species, and it’s the true red lauan. Its conservation status is classified by IUCN as vulnerable, and threatened according to DAO 2017- 11
Philippine Endemic
Shorea negrosensis Foxw.
_____
Trees in this genus are commonly known as the stone oaks
Lithocarpus spp.
_____
genus of about 900 species of trees, shrubs, and vines in the family Moraceae many of which are commonly known as figs.
Ficus spp.
_____
-anabiong
Trema orientalis Blume
_____
-alingatong
Dendrocnide meyeniana
_____
- kapa-kapa
- Philippine endemic
- Critically - endangered
Medinilla magnifica
_____
- Alim
- Pioneer tree
Melanolepsis multiglandulosa (Reinw. ex Blume) Reichb. & Zoll.