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Tropical & Subtropical Grasslands, Savannas & Shrublands

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St. Helena scrub and woodlands

Bioma

Tropical & Subtropical Grasslands, Savannas & Shrublands

·

Reino biogeográfico

Afrotropic

Árvores-repolho endêmicas e samambaias arborescentes em uma crista enevoada em High Peak, Santa Helena.

Foto da região - Dan Fulwiler - User: (WT-shared) Islandhopper at wts wikivoyage / Wikimedia Commons - Public domain.

St. Helena scrub and woodlands

A ecorregião de matagais e florestas de Santa Helena cobre uma única ilha vulcânica remota no oceano Atlântico Sul, cerca de 1.950 km a oeste da África, que hoje faz parte do Território Britânico Ultramarino de Santa Helena, Ascensão e Tristão da Cunha. Sua vegetação nativa é um conjunto notável de endemismos insulares, incluindo gumwoods (Commidendrum robustum), o ébano-anão e o redwood de Santa Helena (Trochetiopsis), árvores-repolho de porte arbóreo da família das margaridas e a samambaia-arbórea de Santa Helena, provenientes de uma flora de cerca de 45 plantas vasculares endêmicas em vários gêneros encontrados em nenhum outro lugar. O clima é subtropical seco, com temperaturas mensais de aproximadamente 15 a 32 graus Celsius e baixa precipitação média anual de cerca de 152 mm. A ecorregião está altamente degradada: menos de 1 por cento da ilha mantém floresta seminatural nativa em remanescentes dispersos, mais da metade é terreno aberto degradado, e a oliveira-de-santa-helena (Nesiota elliptica) foi extinta, deixando o borrelho-de-santa-helena, ou wirebird, como a única ave endêmica sobrevivente e a espécie emblemática da ecorregião. Os jardineiros podem reconhecer o ébano-anão (Trochetiopsis ebenus), um arbusto compacto da família das malváceas, entre os endemismos lenhosos distintivos da ilha.

RESOLVE 60

Afrotropic

50 sq mi

Tropical & Subtropical Grasslands, Savannas & Shrublands

Tipo de paisagem

Tropical & Subtropical Grasslands, Savannas & Shrublands

Região vegetal

Afrotropic

Pegada da região

50 sq mi

Pressão sobre o habitat

Nature Imperiled (Dinerstein NNH 4)

Origem e cuidado

Patrocinado

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Use isto como o padrão geral de plantio para a região: Campos e savanas quentes onde as gramíneas dominam e as árvores são esparsas, mantidos por chuvas sazonais, pastejo e fogo. Sustentam comunidades de grandes herbívoros e respondem de forma marcante aos ciclos de umidade e seca. Para decisões de jardim, refine pelas restrições de luz, água, solo e tamanho adulto do seu local.

°C

°F

Plantas que aguentam esta região

O Plotwright ainda não tem plantas com bom encaixe climático para esta região. À medida que o catálogo crescer nesta faixa climática, sugestões aparecerão aqui.

Regiões de plantio semelhantes

Explore outras regiões do mesmo bioma. As listas de plantas delas podem sugerir espécies e combinações que vale a pena comparar.

Campo seco com cobertura lenhosa esparsa em Etosha, Namíbia.

RESOLVE 34 - Afrotropic

Angolan mopane woodlands

The Angolan mopane woodlands stretch across southwestern Angola and northern Namibia, running along the Owambo Basin and surrounding the salt flats of the Etosha Pan. As the name suggests, the ecoregion is dominated by the mopane tree (Colophospermum mopane), which grows as a single-stemmed tree up to about 10 meters tall or, where conditions are harsher, as a dense shrub, alongside associated Acacia, Combretum, and Commiphora species. The climate is dry, with rainfall concentrated in the summer and peaking in late summer. The woodlands shelter elephants, black and white rhinoceros, lion, and cheetah, as well as the near-endemic black-faced impala, and the wider region is anchored by protected areas including Namibia's Etosha National Park. Mopane here also has a direct human use, as the caterpillars of the mopane emperor moth are gathered locally as food.

Tropical & Subtropical Grasslands, Savannas & Shrublands

RESOLVE 35 - Afrotropic

Angolan scarp savanna and woodlands

The Angolan scarp savanna and woodlands form a long, narrow strip along the coast of Angola, running from the Atlantic shore up the steep west-facing escarpment that climbs roughly 1,000 meters to the country's central plateau. Vegetation shifts dramatically with elevation, grading from dry woodland and wooded grassland-where baobab, Strychnos, and Acacia welwitschii grow-up to humid mist and cloud forests whose canopy includes Khaya anthotheca, Bombax buonopozense, and Spathodea campanulata. The climate is tropical with summer rains; the coastal belt, cooled by the Benguela Current, stays humid but receives relatively little rain, while the escarpment is far wetter. Despite being poorly studied and only partly protected within reserves such as Quiçãma National Park, the region is rich in endemics, including the red-crested turaco and the grey-striped francolin, and is classified as Vulnerable. For gardeners, the showy African tulip tree (Spathodea campanulata), grown as an ornamental in warm climates worldwide, is native to these escarpment forests.

Tropical & Subtropical Grasslands, Savannas & Shrublands

RESOLVE 36 - Afrotropic

Angolan wet miombo woodlands

The Angolan wet miombo woodlands blanket most of the central Angolan plateau and extend north into the Democratic Republic of the Congo, sitting largely at elevations between about 1,000 and 1,500 meters. The defining habitat is miombo woodland, a moist deciduous broadleaf savanna dominated by legume trees of the family Fabaceae (subfamily Caesalpinioideae), especially the genera Brachystegia, Julbernardia, and Isoberlinia, with grassland and sandy-soil openings between the stands. The climate is tropical and notably wetter than the surrounding savanna, with rainfall strongly concentrated in the hot summer months from roughly November to March. The ecoregion is the stronghold of the giant sable antelope (Hippotragus niger variani), a critically endangered Angolan endemic protected at Cangandala National Park, and it also harbors a strict-endemic rodent, Vernay's climbing mouse. For gardeners, the signature native flora here are the canopy-forming Brachystegia and Isoberlinia legume trees that give the miombo its character.

Tropical & Subtropical Grasslands, Savannas & Shrublands

RESOLVE 37 - Afrotropic

Ascension scrub and grasslands

This ecoregion covers Ascension Island, a small volcanic British Overseas Territory in the equatorial Atlantic Ocean, roughly 1,200 km northwest of St. Helena and about 1,700 km from the African mainland. Its natural cover is dry grassland and scrubland with few if any trees, with much of the north and west marked by barren, desert-like ground broken by patches of grass and the endemic Ascension spurge (Euphorbia origanoides), the island's only endemic lowland plant. The climate is subtropical and semi-arid, with temperatures ranging from about 10 to 32 degrees Celsius and low mean annual rainfall around 709 mm, divided into a hotter season and a cooler one. Before human settlement the island supported only 25 to 30 plant species, ten of them endemic, including the shrub Oldenlandia adscensionis, the grass genus Sporobolus, and several endemic ferns such as Asplenium ascensionis and Pteris adscensionis. Today the island is one of the most important seabird breeding sites in the tropical Atlantic, home to the endemic Ascension frigatebird (Fregata aquila) and a globally significant green turtle nesting population, though introduced prickly pear and Mexican thorn now press on its sparse native flora.

Tropical & Subtropical Grasslands, Savannas & Shrublands

RESOLVE 38 - Afrotropic

Central bushveld

The Central Bushveld is a tropical savanna ecoregion that sweeps across northern South Africa (most of Limpopo and part of North West province), the southeast corner of Botswana, and into Zimbabwe. Its vegetation is a mosaic of grassland studded with trees and tall shrubs: vast, often monospecific stands of the winter-deciduous mopane (Colophospermum mopane), northern woodland savanna with Burkea africana and silver clusterleaf, and acacia-dominated savanna on the southern flats featuring Acacia tortilis, A. nilotica, and A. nigrescens, while the Waterberg Mountains add Terminalia sericea and Peltophorum africanum. The climate is seasonal with hot, wet summers and cool, dry winters, modest annual rainfall, and a wide temperature swing, so grasses brown off through the May-to-August dry season. The region supports rich large-mammal life, including elephant, giraffe, and the threatened black rhinoceros and cheetah, alongside Waterberg-area endemics such as Juliana's golden mole and several girdled lizards. For gardeners, several of its hardy, drought-adapted natives, including Peltophorum africanum (weeping wattle) and Terminalia sericea, are grown ornamentally for their form and resilience in dry, summer-rainfall settings.

Tropical & Subtropical Grasslands, Savannas & Shrublands

RESOLVE 39 - Afrotropic

Central Zambezian wet miombo woodlands

The Central Zambezian wet miombo woodlands sprawl across south-central Africa, covering roughly 70 percent of central and northern Zambia along with adjacent parts of Angola, Burundi, the Democratic Republic of the Congo, Malawi, Tanzania, and Mozambique. This is classic miombo country, an open woodland dominated by legume trees of the genera Brachystegia, Julbernardia, and Isoberlinia, with Pterocarpus angolensis, Albizia, and Afzelia quanzensis among the associated species and a ground layer of herbaceous Crotalaria and Indigofera. The climate is tropical and seasonal, set on a flat plateau between about 1,000 and 1,600 meters, with most rain falling in a single November-to-March wet season followed by a long dry season that can last up to seven months. It holds the highest floral richness of the African miombo ecoregions, peaking in Zambia, and supports large mammals such as African elephant, buffalo, and black rhino across major reserves like Kafue National Park. For gardeners, several of its native canopy genera, including Brachystegia and the bloodwood Pterocarpus angolensis, are valued as ornamental and shade trees in warm, frost-light climates.

Tropical & Subtropical Grasslands, Savannas & Shrublands

Até onde chega esta ecorregião

Os países, estados dos EUA e províncias do Canadá que esta ecorregião toca, a partir de um cruzamento espacial de seu polígono RESOLVE com os limites da Natural Earth.

Países

Saint Helena

Educator packet

Region packet

St. Helena scrub and woodlands educator packet

A ecorregião de matagais e florestas de Santa Helena cobre uma única ilha vulcânica remota no oceano Atlântico Sul, cerca de 1.950 km a oeste da África, que hoje faz parte do Território Britânico Ultramarino de Santa Helena, Ascensão e Tristão da Cunha. Sua vegetação nativa é um conjunto notável de endemismos insulares, incluindo gumwoods (Commidendrum robustum), o ébano-anão e o redwood de Santa Helena (Trochetiopsis), árvores-repolho de porte arbóreo da família das margaridas e a samambaia-arbórea de Santa Helena, provenientes de uma flora de cerca de 45 plantas vasculares endêmicas em vários gêneros encontrados em nenhum outro lugar. O clima é subtropical seco, com temperaturas mensais de aproximadamente 15 a 32 graus Celsius e baixa precipitação média anual de cerca de 152 mm. A ecorregião está altamente degradada: menos de 1 por cento da ilha mantém floresta seminatural nativa em remanescentes dispersos, mais da metade é terreno aberto degradado, e a oliveira-de-santa-helena (Nesiota elliptica) foi extinta, deixando o borrelho-de-santa-helena, ou wirebird, como a única ave endêmica sobrevivente e a espécie emblemática da ecorregião. Os jardineiros podem reconhecer o ébano-anão (Trochetiopsis ebenus), um arbusto compacto da família das malváceas, entre os endemismos lenhosos distintivos da ilha.

Realm

Afrotropic

Dominant biome

Tropical & Subtropical Grasslands, Savannas & Shrublands

Approximate area

50 square miles

States / provinces

Not recorded

Climate descriptor

Not recorded

Classroom prompts

- Which climate and biome facts explain why this region supports its characteristic plants?

- How do native-plant and wildlife-support claims differ from a species-presence claim?

- Which source-backed facts would you cite before using this region in a classroom map activity?

Use the Sources & citations section below for page citation styles and region source links.

Fontes e citações

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Plotwright. (n.d.). St. Helena scrub and woodlands (St. Helena scrub and woodlands). Retrieved 2026, August 20, from https://plotwright.com/regions/resolve-60

Fontes para esta região

Esta página cita primeiro o Plotwright pela visão compilada e depois lista as páginas de fontes da estrutura, do clima e editoriais a montante para que os leitores possam citar o material original diretamente.

RESOLVE 2017 Terrestrial Ecoregions (Dinerstein et al.)

Estrutura principal de ecorregiões

One Earth

Wikipedia

Wikimedia Foundation

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Guia de fontes