Nanyang basin is in the southwest. Plains and basins, mountains and hills account for 55.7%, 26.6% and 17.7% of the total area respectively. Laoya tea in lingbao city is the highest peak in the province, with an altitude of 2413.8m; The lowest altitude is at the exit of Huaihe River in Gushi County, only 23.2 meters.
Extended data
1. Most of Henan Province is located in the warm temperate zone, and the south crosses the subtropical zone. It belongs to the continental monsoon climate with the transition from north subtropical zone to warm temperate zone. At the same time, it has the characteristics of transition from plain to hilly area from east to west, with distinct four seasons, simultaneous rain and heat, complexity and diversity, and frequent meteorological disasters.
From south to north, the average annual temperature in the province is 10.5 ~ 16.7℃, and the average annual precipitation is 407.7 ~ 1295.8 mm, with the most rainfall in June-August, and the average annual sunshine 1285.7 ~ 2292.9 hours, with a frost-free period.
2. Henan province spans the Yangtze River, Huaihe River, Yellow River and Haihe River. Most rivers in Henan Province originate from the mountainous areas in the west, northwest and southeast, with a total of 560 rivers with a drainage area of 100 square kilometers. The average total water resources in the province for many years is 40.35 billion cubic meters, ranking19 in the country; The per capita water resource is about 383 cubic meters, which is equivalent to one fifth of the national average.
3. There are both northern and southern species of plants in Henan Province. There are 3979 species of vascular plants 198 families 1 142 genera, accounting for 10% of vascular plants in China, including 205 species of pteridophytes belonging to 29 families, 70 genera and 28 varieties of gymnosperms.
There are 3670 species and varieties in the genus 1044, including 63 rare and endangered national plants and 64 provincial plants, which together constitute the flora of Henan.
In 4.20 14, 42 kinds of minerals/kloc-0 were discovered, 9 kinds of minerals 109 with proven resource reserves and 93 kinds of minerals that have been developed and utilized in Henan province. Among them, there are 6 kinds of energy minerals, 23 kinds of metal minerals, 62 kinds of non-metal minerals and 2 kinds of water and gas minerals. The dominant minerals can be summarized as "three major energy minerals" of coal, oil and natural gas, and "four major metal minerals" of molybdenum, gold, aluminum and silver.
Natural alkali, salt ore, refractory clay, blue asbestos, perlite, marl and seasonal sandstone are the "seven nonmetallic minerals". Among the mineral resources with proven reserves, there are 1 1 species in China, 32 species in the top three and 58 species in the top five. Among them, coal reserves rank eighth in China, oil ranks 12 and natural gas ranks 17.
In 5.20 17, the GDP of Henan province was 44,988,438+0.6 billion yuan, an increase of 7.8% over the previous year. Among them, the added value of the primary industry was 433.949 billion yuan, an increase of 4.3%; The added value of the secondary industry was 2144.999 billion yuan, an increase of 7.3%;
The added value of tertiary industry was191986.8 billion yuan, up by 9.2%. The structure of the tertiary industry is 9.6∶47.7∶42.7, and the added value of the tertiary industry accounts for 0.9 percentage points higher than that of the previous year. The per capita GDP was 47 130 yuan, an increase of 7.4% over the previous year.
Baidu Encyclopedia _ Henan (People's Republic of China (PRC) Provincial Administrative Region)