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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

Árboles col endémicos y helechos arbóreos en una cresta brumosa en High Peak, Santa Elena.

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

St. Helena scrub and woodlands

La ecorregión de matorrales y bosques de Santa Elena cubre una única isla volcánica remota en el océano Atlántico Sur, a unos 1.950 km al oeste de África, que hoy forma parte del Territorio Británico de Ultramar de Santa Elena, Ascensión y Tristán de Acuña. Su vegetación nativa es un notable conjunto de endemismos insulares, incluidos los gumwoods (Commidendrum robustum), el ébano enano y el redwood de Santa Elena (Trochetiopsis), árboles col de porte arbóreo de la familia de las margaritas y el helecho arborescente de Santa Elena, procedentes de una flora de unas 45 plantas vasculares endémicas en varios géneros que no se encuentran en ningún otro lugar. El clima es subtropical seco, con temperaturas mensuales de aproximadamente 15 a 32 grados Celsius y una baja precipitación media anual de unos 152 mm. La ecorregión está muy degradada: menos del 1 por ciento de la isla conserva bosque seminatural nativo en restos dispersos, más de la mitad es terreno baldío abierto y el olivo de Santa Elena (Nesiota elliptica) se ha extinguido, dejando al chorlito de Santa Elena, o wirebird, como la única ave endémica superviviente y la especie emblemática de la ecorregión. Los jardineros pueden reconocer el ébano enano (Trochetiopsis ebenus), un arbusto compacto de la familia de las malváceas entre los distintivos endemismos leñosos de la isla.

RESOLVE 60

Afrotropic

50 sq mi

Tropical & Subtropical Grasslands, Savannas & Shrublands

Tipo de paisaje

Tropical & Subtropical Grasslands, Savannas & Shrublands

Región vegetal

Afrotropic

Huella de la región

50 sq mi

Presión sobre el hábitat

Nature Imperiled (Dinerstein NNH 4)

Origen y cuidado

Patrocinado

Plantas nativas

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Suministros de jardinería

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Usa esto como el patrón general de plantación para la región: Pastizales y sabanas cálidos donde dominan las gramíneas y los árboles son escasos, mantenidos por lluvias estacionales, el pastoreo y el fuego. Sostienen comunidades de grandes herbívoros y responden con fuerza a los ciclos de humedad y sequía. Para las decisiones de jardín, acota según las restricciones de luz, agua, suelo y tamaño maduro de tu sitio.

°C

°F

Plantas que pueden con esta región

Plotwright aún no tiene plantas con buen ajuste climático para esta región. A medida que el catálogo crezca en esta banda climática, aparecerán sugerencias aquí.

Regiones de plantación similares

Explora otras regiones del mismo bioma. Sus listas de plantas pueden sugerir especies y combinaciones que vale la pena comparar.

Pastizal seco con cobertura leñosa dispersa en Etosha, Namibia.

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

Hasta dónde llega esta ecorregión

Los países, estados de EE. UU. y provincias de Canadá que toca esta ecorregión, a partir de un cruce espacial de su polígono RESOLVE con los límites de Natural Earth.

Países

Saint Helena

Educator packet

Region packet

St. Helena scrub and woodlands educator packet

La ecorregión de matorrales y bosques de Santa Elena cubre una única isla volcánica remota en el océano Atlántico Sur, a unos 1.950 km al oeste de África, que hoy forma parte del Territorio Británico de Ultramar de Santa Elena, Ascensión y Tristán de Acuña. Su vegetación nativa es un notable conjunto de endemismos insulares, incluidos los gumwoods (Commidendrum robustum), el ébano enano y el redwood de Santa Elena (Trochetiopsis), árboles col de porte arbóreo de la familia de las margaritas y el helecho arborescente de Santa Elena, procedentes de una flora de unas 45 plantas vasculares endémicas en varios géneros que no se encuentran en ningún otro lugar. El clima es subtropical seco, con temperaturas mensuales de aproximadamente 15 a 32 grados Celsius y una baja precipitación media anual de unos 152 mm. La ecorregión está muy degradada: menos del 1 por ciento de la isla conserva bosque seminatural nativo en restos dispersos, más de la mitad es terreno baldío abierto y el olivo de Santa Elena (Nesiota elliptica) se ha extinguido, dejando al chorlito de Santa Elena, o wirebird, como la única ave endémica superviviente y la especie emblemática de la ecorregión. Los jardineros pueden reconocer el ébano enano (Trochetiopsis ebenus), un arbusto compacto de la familia de las malváceas entre los distintivos endemismos leñosos de la isla.

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.

Fuentes y citas

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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

Fuentes para esta región

Esta página cita primero a Plotwright por la vista compilada y luego enumera las páginas de fuentes del marco, el clima y la edición originales para que los lectores puedan citar el material original directamente.

RESOLVE 2017 Terrestrial Ecoregions (Dinerstein et al.)

Marco principal de ecorregiones

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Wikipedia

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