Gujarat

Relief, drainage, and soils

Gujarat is a land of great contrasts, stretching from the seasonal salt deserts of the Kachchh (Kutch) district in the northwest, across the generally arid and semiarid scrublands of the Kathiawar Peninsula, to the wet, fertile, coastal plains of the southeastern part of the state, north of Mumbai. The Rann of Kachchh—including both the Great Rann and its eastern appendage, the Little Rann—are best described as vast salt marshes, together covering about 9,000 square miles (23,300 square km). The Rann constitutes the Kachchh district on the west, north, and east, while the Gulf of Kachchh forms the district’s southern boundary. During the rainy season—slight though the rains may be—the Rann floods, and the Kachchh district is converted into an island; in the dry season it is a sandy, salty plain experiences dust storms.

To the southeast of Kachchh, lying between the Gulf of Kachchh and the Gulf of Khambhat (Cambay), is the large Kathiawar Peninsula. It is generally arid and rises from the coasts to a low, rolling area of hill land in the center, where the state reaches its highest elevation, at 3,665 feet (1,117 meters), in the Girnar Hills. Soils in the peninsula are mostly poor, having been derived from a variety of old crystalline rocks. Rivers, except for seasonal streams, are absent from the area.

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To the east of the Kathiawar Peninsula, small plains and low hills in the north merge with fertile farmlands in the south. The richness of the southern soils is attributable to their partial derivation from the basalts of the Deccan, the physiographic plateau region that constitutes most of peninsular India. Southeastern Gujarat is crossed from east to west by the Narmada and Tapti (Tapi) rivers, both of which empty into the Gulf of Khambhat. Toward the eastern border with Maharashtra, the terrain becomes mountainous; the region is the northern extension of the Western Ghats, the mountain range that runs parallel to the Arabian Sea on the western edge of southern India.

Climate

Winter (November through February) temperatures in Gujarat usually reach a high in the mid-80s F (about 28 °C), while lows drop into the mid-50s F (about 12 °C). Summers (March through May) are quite hot, however, with temperatures typically rising well above 100 °F (38 °C) during the day and dropping only into the 90s F (low 30s C) at night.

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Gujarat is drier in the north than in the south. Rainfall is lowest in the northwestern part of the state—in the Rann of Kachchh—where it may amount to less than 15 inches (380 mm) annually. In the central portion of the Kathiawar Peninsula as well as in the northeastern region, annual rainfall typically amounts to about 40 inches (1,000 mm). Southeastern Gujarat, where the southwest monsoon brings heavy rains between June and September, is the wettest area; annual rainfall usually approaches 80 inches (2,000 mm) along the coastal plain.

Plant and animal life

Forests cover only a small portion of Gujarat, reflecting human activity as well as meager rainfall. Scrub forest occurs in the northwestern region and across the Kathiawar Peninsula, the main species being babul acacias, capers, Indian jujubes, and toothbrush bushes (Salvadora persica). In some parts of the peninsula and northeastern Gujarat, deciduous species such as teak, catechu (cutch), axlewood, and Bengal kino (butea gum) are found. Deciduous forests are concentrated in the wetter southern and eastern hills. They produce valuable timbers, such as Vengai padauk (genus Pterocarpus; resembling mahogany), Malabar simal, and haldu (Adina cordifolia). The west coast of the peninsula is known for its algae, and the east coast produces papyrus, or paper plant (Cyperus papyrus).

Gir National Park, in the southwestern region of the Kathiawar Peninsula, contains rare Asiatic lions (Panthera leo persica), and endangered Indian wild asses (Equus hemionus khur) are protected in a sanctuary near the Little Rann of Kachchh. The Nal Sarovar Bird Sanctuary, near Ahmedabad, attracts many species of birds migrating from the Siberian plains and elsewhere in winter. Saras cranes, Brahmini ducks, bustards, pelicans, cormorants, ibises, storks, herons, and egrets are among the most-notable species. The Rann of Kachchh is India’s only nesting ground of the greater flamingo. There is excellent offshore and inland fishing in Gujarat. Catches include pomfret, salmon, hilsa (a type of shad), black-spotted croaker (locally called ghol fish), prawn, Bombay duck (a food fish), and tuna.