science

South Iran Nubo–Sindian desert and semi-desert

South Iran Nubo–Sindian desert and semi-desert is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand South Iran Nubo–Sindian desert and semi-desert rather than just read about it. In short: The South Iran Nubo–Sindian desert and semi-desert ecoregion (WWF ID: PA1328) covers the northern coastal plain of the Persian Gulf and the inland desert hills south of the Zagros Mountains of Iran. The region also has extensions reaching into southeastern Iraq, and eastward into southwestern Pakistan.

Key takeaways

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Reference excerpt

The South Iran Nubo–Sindian desert and semi-desert ecoregion (WWF ID: PA1328) covers the northern coastal plain of the Persian Gulf and the inland desert hills south of the Zagros Mountains of Iran. The region also has extensions reaching into southeastern Iraq, and eastward into southwestern Pakistan. The region is one of hot sand deserts, shrubland, and open thorn woodlands inland. Mangrove forests and swamps are found along the coast.

Location and description The ecoregion stretches for 1,600 kilometres (990 mi) along the northern coast of the Persian Gulf, from the head of the Gulf at Abadan to the estuary of the Hingol River on the southern coast of Pakistan 150 km west of Karachi. For most of its length, the region reaches 120 km inland, but widen considerably east of the Strait of Hormuz. The ecoregion includes the Jaz Murian depression, an endorheic basin in southeastern Iran enclosed by mountains. As it enters Pakistan the ecoregion covers the Makran Coastal Range. Elevations range from sea level to 3,283 metres (10,771 ft), with a mean of 559 metres (1,834 ft).

Climate The climate of the ecoregion is Hot desert climate (Köppen climate classification (BWh)). This climate features stable air and high pressure aloft, producing a hot, arid desert. Hot-month temperatures typically average 29–35 °C (84–95 °F).

Flora Most of the ecoregion is dry shrubland interspersed with sandy desert. 8% is herbaceous cover or converted to agriculture. Various tropical desert plant communities are found here, including:

Periploca aphylla – Prunus arabica association Euphorbia larica – Plocama aucheri association Euphorbia larica – Convolvulus acanthocladus association Euphorbia larica – Sphaerocoma hookeri subsp. aucheri association Convolvulus acanthocladus, Helianthemum lippii, Gymnocarpos decander, Echiochilon persicum, Convolvulus spinosus, Cymbopogon schoenanthus, Dichanthium foveolatum, Aristida spp., Forsskaolea tenacissima, and Plocama calycoptera association Vachellia flava – Prosopis cineraria association At the north end of the Gulf is the Shadegan Ponds on the delta of the Karun River. This internationally important wetland features brackish sedge marshes dominated by Bulrush (Scirpus) in the better drained areas, and Tamarix on the mudflats. Farther south along the coast is a representative mangrove community at the deltas of the Rud-e-Gaz and Rud-e-Hara Rivers at Hormuz. This area features tidal creeks, mudflats, and mangrove swamp. At the mouths of the rivers are extensive stands of grey mangrove (Avicennia marina), known locally as the Hara tree.

The ecoregion corresponds to the South Iranian Floristic Province identified by Armen Takhtajan, and is part of the Omano-Sindian Subregion. Takhtajan thought it the floristically richest province of the subregion. Endemic and near-endemic plants including the species Salvia majdae (syn. Zhumeria majdae) and the species Diceratella canescens, Diceratella floccosa, Grewia tenax subsp. makranica, Zygophyllum acerosum, Zygophyllum subinerme, Moluccella aucheri, Achillea eriophora, Echinops kotschyi, and Iphiona aucheri. Other wider-ranging native plants include Argyrolobium roseum subsp. roseum, Crotalaria persica, Monsonia nivea, Pycnocycla nodiflora, Salvia mirzayanii, and Schweinfurthia papilionacea.

Fauna Native mammals include the chinkara (Gazella bennettii), goitered gazelle (Gazella subgutturosa), African wildcat (Felis lybica), Indian grey mongoose (Urva edwardsii), jungle cat (Felis chaus), striped hyena (Hyaena hyaena), and Persian trident bat (Triaenops persicus). The Iranian shrew (Crocidura susiana) is endemic. Resident breeding birds include crowned sandgrouse (Pterocles coronatus), bar-tailed lark (Ammomanes cinctura zarudnyi), and pale rock martin (Ptyonoprogne obsoleta). MacQueen's bustard (Chlamydotis macqueenii) winters here. The region is important for reptiles and amphibians. Common species are the Iranian toad (Bufotes surdus), Persian ground agama (Trapelus persicus), Iranian comb-fingered gecko (Stenodactylus affinis), ocellated skink (Chalcides ocellatus), rock semaphore gecko (Pristurus rupestris), and false cobra (Rhagerhis moilensis). Endemic species of reptiles and amphibians include Blanford's short-toed gecko (Cyrtopodion brevipes), Jaz murian bent-toed gecko (Mediodactylus sagittifer), Iranian worm snake (Xerotyphlops wilsoni), and Persian krait (Bungarus persicus), a venomous snake of the Elapidae family.

Protected areas

Over 7% of the ecoregion is officially protected. These protected areas include:

Shadegan Ponds Wildlife Refuge (Iran). Geno Biosphere Reserve (Iran). Mangrove forests of Qeshm (Iran). Hingol National Park (Pakistan). Mond protected area (Iran).

References

External links Media related to South Iran Nubo-Sindian Desert and Semi-Desert Ecoregion at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with South Iran Nubo–Sindian desert and semi-desert

Start with the simplest possible case. Write down what South Iran Nubo–Sindian desert and semi-desert claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to South Iran Nubo–Sindian desert and semi-desert before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about South Iran Nubo–Sindian desert and semi-desert ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of South Iran Nubo–Sindian desert and semi-desert

In research: South Iran Nubo–Sindian desert and semi-desert appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses South Iran Nubo–Sindian desert and semi-desert in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: South Iran Nubo–Sindian desert and semi-desert is common in secondary-school and first-year university syllabi. It links to neighbouring topics Deserts and xeric shrublands, Ecoregions of Iran, Ecoregions of Iraq, so understanding it makes those chapters shorter.
In everyday life: Look for South Iran Nubo–Sindian desert and semi-desert outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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Frequently asked questions

What is South Iran Nubo–Sindian desert and semi-desert in simple terms?

Why does South Iran Nubo–Sindian desert and semi-desert matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study South Iran Nubo–Sindian desert and semi-desert?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on South Iran Nubo–Sindian desert and semi-desert.