Is a rice field a high biodiversity?
The rice field has a surprisingly great biodiversity, perhaps the greatest of any tropical rainfed system, where Heckman (1979) recorded a total of 589 species of organisms in a rice field in Thailand. … Rice fields also serve as the habitat for birds and wildlife for part or all of their life cycle.
What type of ecosystem is paddy field?
The ecosystem of paddy field can be described as having two major characteristics: landscape and temporal change. Paddy fields are a part of a Satoyama landscape. This landscape is a mosaic of fallow fields, grasslands, woodlands, ponds and irrigation ditches (Fig.
What type of region is the rice fields?
Rainfed upland environments
Nearly 100 million people depend on the production of rice from rainfed upland regions to provide them with rice to eat as their daily staple food. Almost two-thirds of the world’s total upland rice area is in Asia.
What ecosystem does rice grow?
Habitat– Rice occurs in association with other croplands in the Central Valley of California and other wildlife habitats such as riparian, and wetlands.
What are the types of biodiversity?
Biodiversity includes three main types: diversity within species (genetic diversity), between species (species diversity) and between ecosystems (ecosystem diversity).
- Genetic Diversity. …
- Species Diversity. …
- Ecological Diversity. …
- Biodiversity Agreements. …
- Human Impact. …
What do you mean by rice ecosystem?
Systems of rice cultivation in various rice growing areas are largely depends upon the crop growing conditions like soil type, available water and prevailing monsoon. The principal rice ecosystems followed in Tamil Nadu, Kerala and Karnataka are: 1.Wet system. 2.Dry system.
Is paddy field a natural ecosystem?
Paddy field is an example of artificial ecosystem not natural ecosystem. This is because it is maintained by humans.
What is irrigated rice ecosystem?
The wet system is also known as Irrigated rice. In this system, the crop is grown under wet (irrigated) conditions from seed to seed. The field is brought to a soft puddle by repeated ploughings with 5-7 cm standing water.
What is diversity and biodiversity?
The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.
What type of crop is rice?
Rice is a Kharif crop that requires high temperature, heavy rainfall and high humidity for proper growth. The areas with less rainfall use irrigation for rice cultivation. Wheat: It is the most important cereal crop in the north and north-western parts of the country.
What is the biological name of rice?
Rice fields are temporary wetlands that harbor many of the same species that breed in natural temporary ponds. Therefore the rice agroecosystem has the potential to help sustain the regional biodiversity of many invertebrates and vertebrates.
What is lowland rice farming system?
Lowland Rice Farming System. This intensive wetland rice system is found in lowland humid and moist subhumid tropical areas and covers a total area of 197m ha. … The cropping intensity of the rice is dependent on rainfall distribution, length of growing season and the availability of irrigation.
What is lowland irrigated farming?
Irrigated lowland rice is grown in bunded fields with assured water supply for one or more crops per year. … In arid and semi-arid zones of tropical climates, rice is planted under irrigated conditions only, but in humid and sub-humid zones, rainfall supplement irrigation water during the rainy season.
What is the function of rice field?
Rice fields provide habitats for wildlife species that include fish, plants, amphibians, reptiles, molluscs, crustaceans and insects, many of which can be captured, collected or farmed as sources of food and medicine.