Information about Dinghushan?

Dinghushan Nature Reserve covers an area of 1 133 hectares, with the lowest elevation of 14. 1 m and the highest elevation of1000.3 m; There are 267 families, 877 genera 1863 species of higher plants, natural vegetation types 16 species, 38 species of mammals, 20 species of reptiles, 85 species of birds 178 species of butterflies and 68 species of insects. The building area is more than 4,700 square meters, including 3 100 square meters for office and scientific research. There are laboratories, libraries, exhibition rooms, specimen rooms, lecture rooms and reception rooms. There are 1590 square meters of staff housing. Rare ornamental botanical garden, Dinghushan rare and endangered botanical garden, South China rhododendron garden (mountain) and bamboo garden have been built, with a total area of 5.43 hectares, with a total of 158 species. There are also five shade sheds and breeding sheds, covering an area of more than 300 square meters, and a nursery covers an area of more than 7000 square meters. The three permanent plots cover an area of 4 hectares and are used for ecological research and observation.

Open the world vegetation map, along the Tropic of Cancer from east to west, and the brown and yellow colors tell you regretfully that this is the return of a daunting desert. Crossing the vast desert or savanna, you will be pleasantly surprised to find a lush oasis, like a bright emerald, embedded at the end of this retreating desert belt, with latitude 2310' and longitude112 34'. This is Dinghushan National Nature Reserve, which is known as the "green treasure house on the desert belt".

Dinghushan is located in Zhaoqing City, Guangdong Province, 86km east of Guangzhou, 3km south of Xijiang River, 8km west of Zhaoqing city center/kloc-0, and adjacent to Jiukeng in the north. Here, there are many peaks, full of green, towering old trees, birds and flowers; Trickle streams, high waterfalls, vast forests, strange and colorful natural landscapes, unique forest communities and rich and colorful species resources are intertwined, making it a treasure, and it is known as the "living natural museum" at home and abroad.

Located in the northern edge of the tropics and the southern edge of the subtropics, the warm and humid monsoon climate is exactly what nature has created for Dinghushan.

Yes, many forest vegetation types are preserved and multiplied here. Between the peaks, with the elevation rising, natural vegetation such as valley rainforest, monsoon evergreen broad-leaved forest and evergreen broad-leaved forest are distributed in turn from the foot of the mountain to the top of the mountain. The former belongs to the tropical vegetation type, while the latter belongs to the subtropical vegetation type, while the monsoon evergreen broad-leaved forest belongs to the transitional type between tropical and subtropical, which is unique to the south subtropical region of China. Coniferous forest, mixed coniferous forest and monsoon evergreen broad-leaved forest constitute the natural succession sequence and direction of forest vegetation. In addition, the riparian forest composed of water hyacinth, peach blossom and black nightshade is connected with the valley rainforest, showing a curved jade belt, which meets the stream like a corridor and attracts attention. Among many vegetation types, monsoon evergreen broad-leaved forest and valley rainforest can best reflect the forest area and landscape characteristics of Dinghushan.

The monsoon evergreen broad-leaved forest in Dinghushan has been preserved for nearly 400 years. It has its own special laws in species composition, community structure, growth and evolution, reflecting the highest productivity level of local vegetation and its natural resources, and is a model for studying natural ecological balance. Monsoon evergreen broad-leaved forest has light green appearance, dense canopy overlap and complex community level, which can be generally divided into five layers. Among them, trees can be divided into three layers, plus shrubs, young trees and herbs. The first sub-layer of the tree is composed of scattered positive giant trees such as Castanea henryi and Schima superba, and its crown is discontinuous and hemispherical. These giant trees are more than 30 meters high, and 3-4 people can join hands to surround them. The tall and straight trunks, rough bark, aging branches and treetops, on the one hand, show their unique and irreplaceable position in the forest as elders, on the other hand, they also indicate that they will soon finish their life course after hundreds of years of vicissitudes. The trees in the second sub-layer are mainly composed of yellow fruit, Cinnamomum cassia and other tree species. Their trunks are straight and their bark is smooth; Flourishing leaves, showing the vitality of fighting for the first place. Over time, they will replace the tall and old trees on the upper floor. From the third floor of the tree down, accompanied by colorful interlayer plants, the species composition is complex and diverse. Although not as dense and rich as tropical forest species, it embodies the original features of subtropical monsoon evergreen broad-leaved forest. It has important scientific research value.

Dinghu Mountain is magnificent and strewn at random. Jilong Mountain, the highest peak, is1000.3m above sea level. Two are from the northwest.

At the source of the stream, water splashes all year round and springs gurgle. After crossing the whole Dinghu Mountain vertically, they meet at the southeast exit and finally head for Xijiang River. Warm, humid and quiet, the unique valley rain forest in the southern subtropical zone is distributed in the area from Qingyun Temple to Banshanting, and in the valley near Baiyun Temple. The valley rain forest is composed of figs, Solanum nigrum, olives and broad beans, the lower part is connected with riparian forest, and the upper part is monsoon evergreen broad-leaved forest. Although the comprehensive characteristics of the community are not as good as the real tropical rain forest, the community appearance, structure and species composition have their own characteristics. When you climb the mountain and look far away, these two streams look like green ribbons worn by etiquette ladies, and the valley rainforest growing between them looks like green stones embedded in this ribbon, making Dinghu Mountain particularly enchanting.

If you are in the ancient forest and green sea, it is refreshing to taste the artistic conception of "dust-free here, more beautiful up here". The strange and mysterious tropical forest landscape will make you linger on. On the hillside with shallow soil layer, majestic plate-shaped roots, like walls, spread their wings like Kunpeng and extend around, firmly supporting the towering trees such as Renmianzi and Litchi, making them stand on the top of the forest canopy. Black, green, yellow, red, colorful and varied vines, some are round and thick like giant pythons, some are flat like caterpillar tracks, and some are slender like silk threads. They sometimes lie on the ground, sometimes climb the wall and walk around the tree; Like a swing, like a rope pole, flying among trees, criss-crossing the crown, showing their magical viability everywhere. The fierce competition of plant species for living space makes some epiphytes choose the old branches of trees such as Castanea henryi and Schima superba as their homes, and fragile orchids, centipedes and lion tails carve land on the branches as camps, deeply rooting the developed roots in the cracks of bark, taking advantage of it and thriving. They cling to the trunk or hang upside down, graceful as a hanging garden. The cruelest scene of the competition for survival in the plant kingdom should be strangulation. Banyan tree, originally bred by birds and animals after bringing seeds to the gap between the branches and bark of the host, is not only ungrateful, but insatiable, and strangles the host with its own hanging air root network, and then occupies the position of the host to seek its own development. Ficus, Ficus microcarpa and other Ficus plants in Moraceae, as well as the trunk of Shuidongge, have a strange phenomenon of flowering and fruiting. A huge inflorescence has grown on the stem or petiole of Solanum lyratum Thunb, which looks like a magic whip in Guanyin's hand, hanging upside down into a scene. In fact, most plants with flowers on their old stems are dioecious, and their bright flowers are exposed in the most accessible places for insects, which shows a special adaptation of plants to insect pollination. At this point, you have to marvel at the profoundness of nature.

Dinghu Mountain is full of rare treasures. There are more than 2,500 kinds of higher plants in the nature reserve of 1 133ha, accounting for about a quarter of the total plants in Guangdong. 1845 among the wild higher plants, there are 22 species of Alsophila spinulosa, Cercis chinensis, Aquilaria sinensis and other national protected plants, and as many as 30 species of plants endemic to South China and model producing areas such as Dinghu Holly and Dinghu Cinnamomum camphora. The ancient Alsophila spinulosa in relict plant, known as a living fossil, escaped the catastrophe of Quaternary glaciers, and Dinghushan survived. Although there are few wild populations, the same brother Alsophila spinulosa chose a damp and sheltered place to settle down and became a prosperous family. After 40 years of protection and reproduction, some rare and endangered species are no longer lonely in Dinghushan, and their families are not rich. Gemu has become a community, and the descendants of sightseeing wood and feather pine have long been integrated into the plant family, and their traces can be seen everywhere. Bamboo and cypress with long leaves have become a unique street tree species in Dinghushan, welcoming guests from all directions with a smile.

Four species, all inclusive, coexist and prosper together, gather here and decorate Dinghu Mountain with flowers and vitality. In spring, a string of glittering, plump and moving sparrows, white and green, red and purple, bloomed on the thick stems of Yau Ma Teng, like a group of sparrows arranged neatly and flapping their wings. More than 20 species of rhododendrons in South China are in full bloom, red, white, purple and pink, all over the mountains, competing for spring. In early summer, Castanea henryi and Schima superba are in full bloom, and clusters of pale yellow flowers are dotted on the uneven crown, shining in the sun, thus attracting swarms of bees to dance with butterflies. In autumn and winter, the leaves of Du Ying, Tian Miao and Sapium sebiferum turn from green to red, like a touch of blood surging in the dark green. The fruit of Solanum nigrum is as bright as agate, like strings of beads, hanging upside down on a straight stem, dazzling. The bright red and huge fruit of Camellia oleifera will make you walk into an apple orchard with spring flowers and autumn fruits. Osmanthus fragrans has a strong and refreshing fragrance, which makes people linger and fly.

Biologists call Dinghushan a "treasure house of species" and a "gene bank", which is rich in plants and has various uses. There are lattice trees, wild litchi and other excellent timber trees, which are famous for their hard wood.

There are more than 320 species and more than 900 species of medicinal plants. Besides the familiar Morinda officinalis, Cinnamomum cassia and Polygonum multiflorum Thunb, there are also Rhododendron purpurea which can cure chronic bronchitis, soybeans which can cure liver diseases, and 58 kinds of medicinal fungi such as Ganoderma lucidum, puffball and cordyceps sinensis. Among more than 300 kinds of wild garden ornamental plants, Guangdong Evergreen, Ceratophyllum and various orchids, while decorating nature, there are more than 20 kinds of wild fruits closely related to people's lives. Although the fruits of wild litchi and wild longan have deteriorated and become bitter and unpalatable, they are indispensable gene sources for improving, rejuvenating and cultivating new varieties. Among 10 kinds of health beverage plants, Ilex kudingcha and Gynostemma pentaphyllum have benefited ordinary people, but the special product of Dinghu Lake, Anemone purpurea, which is praised by contemporary writer Guo Moruo as "guests don't need tea and wine, and the cup is full of Anemone purpurea", is very precious because it is rooted in the precipice. In addition, there are more than 80 kinds of oil plants10, more than 40 kinds of starch and aromatic plants, more than 60 kinds of fiber plants 1 10, and more than 60 kinds of tanning plants. Numerous resource plants provide abundant raw materials for people to monitor, research, preserve, propagate and utilize natural resources.