How many agro-ecological regions are there in Sri Lanka?
How many agro-ecological regions are there in Sri Lanka?
24 Agro-Ecological Regions
The country has been divided into 24 Agro-Ecological Regions (AER) to meet the requirements of regional specialisation of crops, research and development.
What are the agro-ecological zones?
An Agro-ecological Zone is a land resource mapping unit, defined in terms of climate, landform and soils, and/or land cover, and having a specific range of potentials and constraints for land use. An Agro-ecological Cell (AEC) is defined by a unique combination of landform, soil and climatic characterist.
How many agro-ecological zones are there?
20 agro-ecological zones
Based on 50 years of climate data and an up-to-date soil database, the country has been divided into 20 agro-ecological zones (AEZs). Each AEZ is as uniform as possible in terms of physiography, climate, length of growing period and soil type for macrolevel land-use planning and effective transfer of technology.
What are agro climatic and agro-ecological zones?
An “Agro-climatic zone” is a land unit in terms of major climates, suitable for a certain range of crops and cultivars. An agro-ecological zone is the land unit carved out of agro-climatic zone superimposed on landform which acts as modifier to climate and length of growing period.
How many climate zones are there in Sri Lanka?
three climatic zones
Sri Lanka has traditionally been generalized into three climatic zones in terms of “Wet Zone” in the southwestern region including Central Hills, “Dry Zone” covering predominantly, northern and eastern parts of the country, being separated by an “Intermediate zone,” skirting the Central Hills except in the south and …
What are the zones in Sri Lanka?
The island is traditionally divided into three climatic zones viz. ‘dry’ , ‘intermediate’ and the ‘wet zone’ (Figure 1), based on seasonal rainfall.
How many agro-ecological zones are in Uganda?
ten agroecological zones
… Uganda is divided into ten agroecological zones: Southern highlands, Southern dry lands, Lake Victoria crescent, Eastern, Mid-Northern, Lake Albert crescent, West Nile, Western highlands, South East, and Karamoja drylands [92] .
What are some examples of typical ecological zones?
What Are Some Examples Of Typical Ecological Zones?
| Ecozone | Area (Mkm2) | Landmass % |
|---|---|---|
| Polar-Subpolar (ice deserts, tundra) | 22.0 | 14.8 |
| Boreal (lichens, coniferous forests) | 19.5 | 13.1 |
| Temperate Midlatitudes (woodlands, forests) | 14.5 | 9.7 |
| Dry Midlatitudes (grass steppes, semideserts) | 16.5 | 11.1 |
Why agro-ecological zone is important?
In fact an agroecological zone indicates an area characterised by homogeneous agricultural and ecological characteristics….Agroecological Zone.
| ID | Zones/Regions | Sub Regions |
|---|---|---|
| 29. | Northern and Eastern Hills | a) Low hills and Piedmont Plains; b) Mainly high hill ranges; c) Mainly low hills |
| 30. | Akhaura Terrace | Akhaura Terrace |
What does ecological zone mean?
An ecological zone is a landscape unit that unites certain interrelated animal and plant communities (biocenosis) with a particular social formation and environmental conditions as part of an integrated system. The definition of an ecological [Page 844]zone relies on flexible criteria.
What are the main ecosystems in Sri Lanka?
Ecosystems in Sri Lanka
| Ecosystems | Provisional extent (ha) |
|---|---|
| • wet villu grasslands | 12500 |
| Coastal and marine ecosystems | |
| • mangroves | 6080 |
| • salt marshes | 23819 |
How many zones are there in Sri Lanka?
The island is traditionally divided into three climatic zones viz. ‘dry’ , ‘intermediate’ and the ‘wet zone’ (Figure 1), based on seasonal rainfall.
Agro Ecological Regions in Sri Lanka The Intermediate zone consists of 20 agro-ecological sub-regions out of which 15 subregions are in the central hills. Varying degree of effectiveness of different rainfall governing mechanisms across the central hills has caused variety of growing environments in this region.
What is an agro-ecological region?
An agro-ecological region represents a particular combination of the natural characteristics of climate, soil and relief (Panabokke, 1996).
What animals live in the Sri Lanka ecoregion?
The Sri Lanka leopard, purple-faced leaf monkey, sloth bear and the slender loris are endangered mammals in the region. The ecoregion is home to more than 200 bird species and numerous reptiles. The climate of the area is largely dry, with rainfall between 1,500 millimeters and 2,00 millimeters, mostly falling from December to March.
What is an agro-climatic map?
When an agro-climatic map, which can be considered as areas where the integrated effect of climate is uniform throughout the area for crop production, is superimposed on soil and terrain the resulting map identifies agro-ecological regions.
