pigweed 2nd year Asters dominant; crabgrass 3rd to 18th year Grass scrub community; broomsedg e grass‚ pines coming in during this stage 19th to 30th year Young pine forest 30th to 70th year Mature pine forest; Understory of young hardwoods 70th to 100th year Pine to hardwood transition 100th year plus Climax oakhickory forest 3 There are two main types of Ecological Succession • Primary Succession: The process of creating life in an area where no life previously existed. • Secondary Succession:
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Chapman & Hall‚ UK Pyatt G‚ Ray D and Flecher J (2001) An ecological site classification for Forestry in Great Britain. Forestry Commission Bullenin 124. UK. Ray D (2001) Ecological Site Classification – A PC based decision support system for British forests – users guide. Forestry Commission‚ UK. Rodwell J S; Pigott CD; Ratcliffe DA; Malloch AJC; Birks HJB; Proctor MCF; Shimwell DW; Huntley JP; Radford E; Wigginton MJ and Wilkins P. (1991) British Plant Communities Vol. 1. Woodlands and scrub. Cambridge
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Separated 150 miles south of the Australian mainland by the Bass Strait‚ Tasmania is a island of beautiful forests‚ magic waters‚ breathtaking skies‚ nice weather‚ generous people‚ and wonderful food. This small but beautiful island is full of unique and colorful people with captivating culture‚ eccentric art and some of the most delicious food in the world‚ which has caused the island to become one of the most visited places in the world. Although people don’t just come to Tasmania to see its gorgeous
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environment consists of beaches‚ wetlands‚ sage-scrub hills‚ chaparral and elfin forests‚ deciduous and conifer covered mountains‚ and flowering deserts. These habitats were once homes to grizzly bears‚ pronghorn antelope‚ California condors and jaguars. Today‚ rare plants‚ cougars‚ bighorn sheep‚ kit foxes‚ and bald eagles roam these areas. San Diego resides in a Koppen Csb/Csa climate zone. This temperate zone has hot‚ dry summers‚ and cool winters. There are also summer water deficits
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Name______________________________ Class __________________ Date ______________ Chapter 4 Ecosystems and Communities Section 4–1 The Role of Climate (pages 87–89) This section explains how the greenhouse effect maintains the biosphere’s temperature range. It also describes Earth’s three main climate zones. What Is Climate? (page 87) 1. How is weather different from climate? Weather is the day-to-day condition of Earth’s atmosphere at a particular time and place
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cultivated‚ managed agricultural systems & ’new’ plants -naturally Biome - climatically/geographically defined areas with similar conditions -similar communities of plants‚ animals‚ and micro organisms 7 major biomes Tundra‚ Taiga‚ Temperate Forest‚ Tropical Rainforest‚ Grassland‚ Desert‚ Ocean Tundra Biome not so many plants‚ lots of diverse bacteria tree growth is restricted by low temps/ short growing seasons Vegetation - dwarf shrubs‚ grass‚ moss‚ lichens 2 Types of Tundra
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Great Smoky Mountains National Park is a United States National Park and UNESCO World Heritage Site. Great Smoky Mountains National Park is consist of ridge upon ridge of seemingly endless forest on the border between North Carolina and Tennessee. Great Smoky Mountains National Park was established on June 15‚ 1934. Great Smoky Mountains National Park covers 522‚427 acres‚ making it one of the largest protected areas in the eastern United States. It is the most visited national park in the United
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diversity of hoofed animals in the world including antelopes‚ wildebeest‚ buffalos‚ zebras‚ and rhinoceros. Fire‚ ground water‚ water table‚ soil’s moisture retention‚ landforms (plateau‚ mountain‚ valley) and their slope ( < 3% to > 10%)‚ soil temperate‚ days of cloud cover versus days of sun for amount of sunlight and it influence‚ first & last frost dates for growing season. Focus on the limiting factors of the air supply‚ precipitation‚ soil types‚ & light. The leaders of African
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relative importance of physical and human factors in accounting for the changes to vegetation over time within ecosystems in the British Isles. With a temperate climate in the Northern Hemisphere‚ the British Isles bears a variety of trees and successions of plants‚ including deciduous trees. The main ecosystem of the country is made up from forest and lake biomes alongside heathlands and moorlands such as heather moorland. The changes to the vegetation over time can be affected by both physical and
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determine the boundaries of a biome. A biome is made up of many different ecosystems. The ecosystems tend to have the same pants and animals as neighboring biomes around the boundaries. The major biomes are the tundra‚ taiga‚ tropical rain forest‚ temperate forests‚ desert‚ grassland‚ savanna‚ chaparral‚ and marine. Each biome has it’s own characteristics such as the tundra. The tundra is a biome that is located in the Northern Hemisphere of the world. It circles the North Pole and reaches down to the
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