Montane grasslands and shrublands in the context of "Montane ecosystems"

⭐ In the context of montane ecosystems, montane grasslands and shrublands are typically found at what elevation range relative to forested areas?

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⭐ Core Definition: Montane grasslands and shrublands

Montane grasslands and shrublands are a biome defined by the World Wide Fund for Nature. The term montane in the name of the biome refers to high elevation, rather than the ecological term that denotes the region below the treeline. The biome includes high-elevation (montane and alpine) grasslands and shrublands around the world, including the puna and páramo in South America, subalpine heath in New Guinea and East Africa, steppes of the Tibetan plateaus, and other similar subalpine habitats.Drier subtropical montane grasslands, savannas, and woodlands include the Ethiopian Highlands, the Zambezian montane grasslands and woodlands, and the montane habitats of southeastern Africa.

The páramos of the northern Andes are the most extensive examples of the habitat type. Although ecoregion biotas are most diverse in the Andes, these ecosystems are distinctive wherever they occur in the tropics. The heathlands and moorlands of East Africa (e.g., Mount Kilimanjaro, Mount Kenya, Rwenzori Mountains), Mount Kinabalu of Borneo, and the Central Range of New Guinea are all limited in extent, isolated, and support endemic plants and animals.The plants and animals of tropical montane páramos display striking adaptations to cool, wet conditions and intense sunlight. Around the world, characteristic plants of these habitats display features such as rosette structures, waxy surfaces, and abundant pilosity.

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👉 Montane grasslands and shrublands in the context of Montane ecosystems

Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial factor in shaping plant community, biodiversity, metabolic processes and ecosystem dynamics for montane ecosystems. Dense montane forests are common at moderate elevations, due to moderate temperatures and high rainfall. At higher elevations, the climate is harsher, with lower temperatures and higher winds, preventing the growth of trees and causing the plant community to transition to montane grasslands and shrublands or alpine tundra. Due to the unique climate conditions of montane ecosystems, they contain increased numbers of endemic species. Montane ecosystems also exhibit variation in ecosystem services, which include carbon storage and water supply.

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In this Dossier

Montane grasslands and shrublands in the context of Apennine Mountains

The Apennines or Apennine Mountains (/ˈæpənn/ AP-ə-nyne; Italian: Appennini [appenˈniːni]) are a mountain range consisting of parallel smaller chains extending c. 1,200 km (750 mi) the length of peninsular Italy. In the northwest they join the Ligurian Alps at Altare. In the southwest they end at Reggio di Calabria, the coastal city at the tip of the peninsula. Since 2000 the Environment Ministry of Italy, following the recommendations of the Apennines Park of Europe Project, has defined the Apennines System to include the mountains of north Sicily, a total distance of 1,500 kilometres (930 mi). The system forms an arc enclosing the east of the Ligurian and Tyrrhenian seas.

The Apennines conserve some intact ecosystems that have survived human intervention. In these are some of the best-preserved forests and montane grasslands in Europe, now protected by national parks and, within them, a high diversity of flora and fauna. These mountains are one of the last refuges of the big European predators such as the Italian wolf and the Marsican brown bear, now extinct in the rest of Central Europe.

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Montane grasslands and shrublands in the context of Moorland

Moorland or moor is a type of habitat found in upland areas in temperate grasslands, savannas, and shrublands and the biomes of montane grasslands and shrublands, characterised by low-growing vegetation on acidic soils. Moorland today generally means uncultivated hill land (such as Dartmoor in South West England), but also includes low-lying wetlands (such as Sedgemoor, also South West England). It is closely related to heath, although experts disagree on the exact distinction between these types of vegetation. Generally, moor refers to highland and high rainfall areas, while heath refers to lowland zones which are more likely to be the result of human activity.

Moorland habitats are found mainly in tropical Africa, northern and western Europe, and South America. Most of the world's moorlands are diverse ecosystems. In the extensive moorlands of the tropics, biodiversity can be extremely high. Moorland is also related to tundra (where the subsoil is permafrost or permanently frozen soil), appearing as the tundra and the natural tree zone. The boundary between tundra and moorland constantly shifts with climatic change.

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Montane grasslands and shrublands in the context of Puna grassland

The puna grassland ecoregion, part of the Andean montane grasslands and shrublands biome, is found in the central Andes Mountains of South America. It is considered one of the eight Natural Regions in Peru, but extends south, across Chile, Bolivia, and western northwest Argentina. The term puna encompasses diverse ecosystems of the high Central Andes above 3200–3400 m.

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