The Upper Gangetic Plains moist deciduous forests is a tropical moist broadleaf forest ecoregion of northern India. It lies on the alluvial plain of the Ganges and Yamuna rivers, with an area of 263,100 square kilometers (101,600 square miles), covering most of the state of Uttar Pradesh and adjacent portions of Uttaranchal, Haryana, Madhya Pradesh and Bihar. The ecoregion is bounded on the north by the Himalayan subtropical pine forests, Terai-Duar savannas and grasslands and Himalayan subtropical broadleaf forests of the Himalaya foothills, to the west by the drier Northwestern thorn scrub forests and Kathiarbar-Gir dry deciduous forests, on the south by the Narmada Valley dry deciduous forests of the Malwa and Bundelkhand uplands, and on the east by the more humid Lower Gangetic plains moist deciduous forests. Tropical and subtropical moist broadleaf forests, also known as tropical rain forests, are a tropical and subtropical biome. ... An ecoregion is a relatively large area of land or water that contains a geographically distinct assemblage of natural communities. ... An alluvial plain is a relatively flat and gently sloping landform found at the base of a range of hills. ... The Ganges River (Ganga in Indian languages; Ganges is the Latin form) (Devanagari गंगा) is the major river in northern India and Bangladesh. ... The river Yamuna is a major river of northern India, with a total length of around 1370 km. ... Uttar Pradesh (Hindi: उत्तर प्रदेश, Urdu: اتر پردیش), also popularly known by its abbreviation UP, is the most populous and fifth largest state in the Union of India. ... Uttaranchal (उत्तरांचल) became the 27th state of the Republic of India on November 9, 2000. ... Haryana (हरयाणा) is a state in north India. ... Madhya Pradesh (मध्य प्रदेश) is a state in central India. ... Bihar (बिहार in Devanagari) is a state of the Indian union situated in the eastern part of the country. ... The Himalaya is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau. ... The Northwestern thorn scrub forests are a tropical dry broadleaf forest ecoregion of Pakistan and northwestern India. ... The Kathiawar-Gir dry deciduous forests are a tropical dry broadleaf forest ecoregion of western India. ... Malwa (Malvi:माळवा) is a region in western India occupying a plateau of volcanic origin in the western part of Madhya Pradesh state and the south-eastern part of Rajasthan. ... Bundelkhand is the name of the geographical area of central India. ...

The ecoregion has a tropical climate. Rainfall is highly seasonal, falling mainly during the June-to-September southwest monsoon. The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ... Monsoon in the Vindhya, a mountain chain in central India A monsoon is a periodic wind, especially in the Indian Ocean and southern Asia. ...

In ancient times the region was mostly forested, with sal (Shorea robusta) the predominant tree. Many trees lose their leaves during the winter dry season. The ecoregion is currently densely populated, and the fertile plains have largely been converted to intensive agriculture, with only a few enclaves of forest remaining. Once there was a man named Jeffrey Deffrey. ...

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Upper Gangetic Plains moist deciduous forests