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Tropical & Subtropical Dry Broadleaf Forests

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Marianas tropical dry forests

Bioma

Tropical & Subtropical Dry Broadleaf Forests

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Reino biogeográfico

Oceania

Capim e arbustos baixos sob as falésias calcárias do monte Marpi, Saipan.

Foto da região - Abasaa / Wikimedia Commons - Public domain.

Marianas tropical dry forests

As florestas secas tropicais das Marianas se estendem por Guam e as Ilhas Marianas do Norte, ambas jurisdições dos Estados Unidos alinhadas ao longo de um arco de cerca de 900 quilômetros no oeste do oceano Pacífico. O terreno combina jovens ilhas vulcânicas ao norte com ilhas meridionais mais antigas formadas por rocha vulcânica e calcário marinho elevado, incluindo a Guam, coroada de calcário. A vegetação vai desde bosques costeiros de casuarina (Casuarina equisetifolia), Pisonia grandis, pândano e a samambaia Nephrolepis hirsutula até florestas calcárias de fruta-pão nativa (Artocarpus mariannensis), a figueira-baniana Ficus prolixa e Cordia subcordata, com florestas latifoliadas de solo vulcânico dominadas por Aglaia mariannensis e Elaeocarpus joga. O clima é quente e fortemente sazonal, com precipitação anual em torno de 2.000 a 2.500 milímetros e uma estação úmida que vai de julho a outubro, enquanto tufões fortes e frequentes moldam uma estrutura florestal densa e carregada de trepadeiras, com poucas árvores emergentes. As ilhas abrigam fauna endêmica como o emblemático pombo-frugívoro-das-marianas e a raposa-voadora-das-marianas, embora as espécies invasoras, sobretudo a cobra-arborícola-marrom, culpada pelas extinções de aves nativas em Guam, continuem sendo a principal ameaça à conservação.

RESOLVE 637

Oceania

400 sq mi

Tropical & Subtropical Dry Broadleaf Forests

Tipo de paisagem

Tropical & Subtropical Dry Broadleaf Forests

Região vegetal

Oceania

Pegada da região

400 sq mi

Pressão sobre o habitat

Nature Could Reach Half Protected (Dinerstein NNH 2)

Origem e cuidado

Patrocinado

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Use isto como o padrão geral de plantio para a região: Florestas tropicais que passam por uma estação seca pronunciada, quando muitas árvores perdem as folhas para conservar água. Abrigam alta biodiversidade, mas estão entre os hábitats tropicais mais ameaçados, sensíveis ao fogo e ao desmatamento para a agricultura. 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.

Floresta tropical seca de Fiji e encostas de terras altas perto do monte Batilamu.

RESOLVE 635 - Oceania

Fiji tropical dry forests

The Fiji tropical dry forests occupy the leeward, northwestern lowlands of Viti Levu and Vanua Levu, the two largest islands of Fiji, extending onto smaller islands in the Yasawa and Lau groups. Their canopy is typically dominated by Dacrydium nidulum and Fagraea gracilipes, with Garuga floribunda and Gyrocarpus americanus prevailing in the driest sites, alongside the cycad Cycas seemannii and the endemic sandalwood Santalum yasi. Sitting in the rain shadow of the islands' central mountains, the climate is tropical and strongly seasonal, with most rain falling between December and April and a long dry season that gives the trees a shorter, gnarled, vine-draped character; tropical cyclones occasionally strike from November to April. These are among the most endangered forests in the Pacific, with much of the original cover long ago burned and cleared into sparse grass-fern talasiga savanna, leaving only a small fraction protected. The ecoregion is the flagship habitat of the Fiji crested iguana and supports a flora that is overwhelmingly endemic to the archipelago. For gardeners, the native sandalwood Santalum yasi is a notable regional genus prized for its fragrant heartwood.

Tropical & Subtropical Dry Broadleaf Forests

RESOLVE 636 - Oceania

Hawai'i tropical dry forests

The Hawaiʻi tropical dry forests cover the leeward, rain-shadowed sides of the main Hawaiian Islands, along with the summits of Niʻihau and Kahoʻolawe, where the central ranges and large volcanoes strip moisture from the trade winds before it reaches the lowlands and foothills. These dry broadleaf forests are built around drought-adapted native trees including koa and koaiʻa (Acacia), ʻōhiʻa lehua (Metrosideros polymorpha), māmane (Sophora chrysophylla), lama (Diospyros sandwicensis), wiliwili (Erythrina sandwicensis), loulu fan palms (Pritchardia), and the sandalwoods or ʻiliahi (Santalum). The climate is markedly seasonal, with a long dry season and rainfall that is low for the tropics, ranging from roughly 25 to 125 centimeters a year. Despite their modest extent, these forests are botanically rich, holding about 22 percent of Hawaiʻi's native flora with most of those taxa found nowhere else, and they shelter the palila, a Hawaiian honeycreeper restricted to māmane-dominated dry forest. They rank among the most endangered ecoregions on Earth, with only an estimated 5 to 8 percent of natural habitat remaining. For gardeners, several of these natives such as wiliwili and the loulu palms are grown ornamentally in dry, sunny landscapes.

Tropical & Subtropical Dry Broadleaf Forests

RESOLVE 638 - Oceania

Yap tropical dry forests

The Yap tropical dry forests cover the Yap Islands and neighboring atolls in Yap State of the Federated States of Micronesia, a low, gently sloping island group lying roughly 450 km northeast of Palau in the western Caroline Islands. Original vegetation was a mosaic of upland broadleaf forest, upland savanna, freshwater swamps, and mangroves, with canopy genera such as Celtis, Terminalia, Trichospermum, Garcinia, and Pouteria. The climate is tropical with little seasonal temperature variation but strongly seasonal rainfall, marked by a distinct dry season from January through March and heavy rains from roughly May through November, and strong typhoons occur regularly. Despite their small size the islands hold notable endemism, including the Yap monarch and Yap olive white-eye among the birds, the Yap flying-fox, and endemic plants such as Drypetes yapensis and Trichospermum ikutai, yet long human settlement has left the forests heavily degraded and the ecoregion has no legally protected areas. For gardeners, the native understory includes familiar ornamental genera such as Hibiscus and Ixora, alongside the widely planted tropical-almond tree Terminalia catappa.

Tropical & Subtropical Dry Broadleaf Forests

RESOLVE 520 - Neotropic

Apure-Villavicencio dry forests

The Apure-Villavicencio dry forests stretch along the eastern foot of the Andes' eastern cordillera, spanning the Venezuelan states of Portuguesa, Barinas and Apure and the Colombian departments of Arauca, Casanare and Meta. This is a transitional ecoregion, a patchwork of premontane, gallery and deciduous dry forest grading into savanna where the Andean montane forests give way to the lowland Llanos grasslands. Characteristic woody plants include mesquite (Prosopis juliflora), palo verde (Cercidium praecox), kapok (Ceiba pentandra), yellow mombin (Spondias mombin), and palms such as the moriche (Mauritia flexuosa) and macaúba (Acrocomia aculeata). Its climate is equatorial with a pronounced dry winter (Köppen Aw), with temperatures ranging from about 19 to 33 degrees Celsius. The forests have been severely degraded by deforestation, farming and ranching, leaving poorly protected remnants that the World Wildlife Fund rates as Vulnerable, yet they still shelter the giant anteater, Geoffroy's spider monkey, and the flagship Colombian four-eyed frog. Gardeners may recognize several natives here as ornamentals, including the stately kapok tree and the moriche and macaúba palms.

Tropical & Subtropical Dry Broadleaf Forests

RESOLVE 521 - Neotropic

Bajío dry forests

The Bajío dry forests cover the southwestern Mexican Plateau in west-central Mexico, spanning the states of Jalisco, Guanajuato, and Michoacán across the Lerma River basin and the lake country around Chapala, Cuitzeo, and Pátzcuaro. Set in valleys between roughly 1,000 and 2,000 meters on shallow, rocky, well-drained volcanic and limestone soils, the region was historically dry deciduous forest whose characteristic trees included copal, pochote, palo amarillo, and mauto, with thorn-scrub communities of mesquite and huamúchil. The climate is tropical subhumid, with annual rainfall around 500 to 930 millimeters and a pronounced dry season that can last up to eight months. This is one of Mexico's most developed and densely populated landscapes, and centuries of agriculture and grazing have reduced the forest to small pockets now dominated by thorn scrub and subtropical matorral, leaving the ecoregion classed as critical or endangered with only about 7.5 percent in protected areas. Gardeners working in comparably dry, seasonal climates may recognize natives of this region in drought-adapted, deciduous trees such as mesquite and copal.

Tropical & Subtropical Dry Broadleaf Forests

RESOLVE 522 - Neotropic

Balsas dry forests

The Balsas dry forests occupy the basin of the Balsas River in western and central Mexico, spreading across the states of Michoacan, Guerrero, Morelos, Mexico, Puebla, and Oaxaca. This tropical dry broadleaf ecoregion is a deciduous and thorn forest dominated by Bursera trees, alongside the legume Haematoxylum brasiletto and abundant columnar cacti such as Pachycereus and Cephalocereus. The climate is tropical and subhumid, with seasonal rainfall and a severe dry season that can last up to eight months. The forests are a renowned center of plant endemism and speciation, especially for Bursera, with roughly half of the region's Bursera species found nowhere else, and they shelter the near-endemic Balsas screech-owl, though only about a tenth of the ecoregion lies within protected areas. For drought-tolerant or xeric plantings, the native Bursera (the source of copal incense) and the dyewood Haematoxylum brasiletto are ornamental genera that evolved here.

Tropical & Subtropical Dry Broadleaf Forests

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

Guam Northern Mariana Islands

Educator packet

Region packet

Marianas tropical dry forests educator packet

As florestas secas tropicais das Marianas se estendem por Guam e as Ilhas Marianas do Norte, ambas jurisdições dos Estados Unidos alinhadas ao longo de um arco de cerca de 900 quilômetros no oeste do oceano Pacífico. O terreno combina jovens ilhas vulcânicas ao norte com ilhas meridionais mais antigas formadas por rocha vulcânica e calcário marinho elevado, incluindo a Guam, coroada de calcário. A vegetação vai desde bosques costeiros de casuarina (Casuarina equisetifolia), Pisonia grandis, pândano e a samambaia Nephrolepis hirsutula até florestas calcárias de fruta-pão nativa (Artocarpus mariannensis), a figueira-baniana Ficus prolixa e Cordia subcordata, com florestas latifoliadas de solo vulcânico dominadas por Aglaia mariannensis e Elaeocarpus joga. O clima é quente e fortemente sazonal, com precipitação anual em torno de 2.000 a 2.500 milímetros e uma estação úmida que vai de julho a outubro, enquanto tufões fortes e frequentes moldam uma estrutura florestal densa e carregada de trepadeiras, com poucas árvores emergentes. As ilhas abrigam fauna endêmica como o emblemático pombo-frugívoro-das-marianas e a raposa-voadora-das-marianas, embora as espécies invasoras, sobretudo a cobra-arborícola-marrom, culpada pelas extinções de aves nativas em Guam, continuem sendo a principal ameaça à conservação.

Realm

Oceania

Dominant biome

Tropical & Subtropical Dry Broadleaf Forests

Approximate area

400 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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Para planos de aula, artigos ou notas de plantio regionais que usem esta página do Plotwright. Para citar a estrutura de ecorregiões subjacente ou um perfil editorial específico, use os cartões de fontes abaixo.

Plotwright. (n.d.). Marianas tropical dry forests (Marianas tropical dry forests). Retrieved 2026, August 20, from https://plotwright.com/regions/resolve-637

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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