Chinese civilization is poly source，Except the Central Plains region，Upstream of the West Liao River、lower reaches of the Yellow River、The middle reaches of the Yangtze River and the lower reaches of the Yangtze River also bred a developed civilization during pre -historical periods。But in the Xia Dynasty，Civilization in other regions has declined in succession，Only the Central Plains civilization is unique，Become a civilization for continuous development。The reason is multiple aspects，but the superior geographical location should be the most important one of them，Because the Central Plains civilization is located in the center of several major civilizations，It is easy to interact and communicate with surrounding areas，Give full play to the advantages of "edge effect"，Advanced factors that absorb civilization in other regions。

"Edge Effect" was originally a landscape ecological concept，refers to the interaction of two or more ecosystems (or other systems) of different natures，Due to certain ecological factors (maybe material、Energy、Information、Time or region) or the differences and synergies of the system attributes cause certain components and behaviors of the system (such as population density、Productivity and diversity, etc.)。Edge effects with community structures are complex，Some species are particularly active，Its productivity is relatively bet365 best casino games high; the edge effect begins with strong competition，End with harmonious symbiosis，Therefore, various creatures have developed from fierce competition to each company、Each of its own、Interaction，Form a multi -layered、High -efficiency substance、Energy symbiosis network。"Edge Effect" plays an important role in studying the energy flow and material flow of community landscapes。

Humans are part of the ecology，"Edge Effect" is also applicable to research on human society。New Stone Age late，Different groups distributed all over my country, although there are no differences between races，But because they often form a clan with blood relationships as the bond，So there will be various cultural differences between different clan。Therefore，The zones that are transferred between each clan will also produce a certain "edge effect"。It is generally considered，Various types of cultural types in archeology are culture created by different ethnic or clan。The edge zone of various cultural interchange will also produce a certain "edge effect"，This is the "edge effect" of human society。The "edge effect" of human society has two major advantages。First，It can give full play to the hybrid advantage between blood ethnic groups，Fack of the defects of getting rid of close relatives，Make people constantly optimize。This advantage is mainly manifested as a strong physical fitness in the edge zone、Brainpower developed、Life expectancy。Second，Various cultural junction margins are material flow、Information flow、bet365 best casino games The most active area of ​​energy flow，is the front edge of cultural exchanges and conflicts，Frequent cultural exchanges and integration can make them grow up with each other、Common Development。

The Central Plains region is in the middle of the six prehistoric cultural areas of my country，Each boundary adjacent to other regions is the edge of cultural intertwined conflict，Can give full play to the multilateral advantage，Continuously absorbing the surrounding nutrition。

The jujube garden type culture in the early days of Yangshao Culture is the first step in the independent development of the adjacent areas of Yuanxi and Shaanxi，It gave birth to the early Banpo type culture of Yangshao Culture and Miao Digou culture in the middle of Yangshao culture。The formation of the type of jujube garden type culture should be the result of the "edge effect"。In the middle of the Neolithic Age about 7,000 years ago，The central region of my country is mainly distributed in the old official platform culture north and south of the Qinling Mountains、Pei Ligang Culture and North Henan、Magnetic Mountain Culture in the South of Hebei region。Central Plains area，Especially in Western Henan and Jinnan are three cultures of the intersection zone，Jujube Garden Type Culture Risks here，When interacting with three cultures、Say related to each other。After the formation of jujube garden type culture，One of them develops into a Banpo type culture，Quickly replaced the old official platform culture，The first glory of the prehistoric culture of the Central Plains。

Yangshao Culture Mid -term，The distribution bet365 best casino games zone of the temple lendor culture can be divided into native zones、Secondary Area and Edge Area。The native area is mainly distributed in the southern area of ​​the western Henan Province，Its cultural appearance is inherited，The factors are also relatively simple。and the edge area is particularly active，In addition to showing a larger difference from the original area in terms of pottery，The differences in the form of residence are also very obvious。The houses in the native area of ​​the temple under the cultural native area are still mainly based on the traditional single -room half -ground type，In the edge area, such as Zhengzhou Dahe Village、Xichuan Xiawanggang、Bali Gang, Dengzhou, etc.、Many or even big houses and other large、Medium -sized House，When it is a phenomenon of various cultural symbiosis caused by "edge effects"。

Yangshao Culture Late，Due to the climate change to cold dry，The development of the adjacent areas of Yuanxi and Shaanxi faces unprecedented difficulties。A hollow movement movement appeared in the Central Plains area，Xiwang Village type culture in the central area still maintains its inherent tradition，In the edge area of ​​the Central Plains Cultural Area, heterogeneity tendency is obvious，Some of the factors that have absorbed their neighboring culture。East edge，Dawenkou culture of the East continuously penetrates west，Many factors of Dawenkou culture have been found in the core areas of Central Plains culture in the core areas of Central Plains culture。Southern edge，Qujialing culture in the Jianghan bet365 best casino games area is constantly criminal，occupied the vast area of ​​Hanshui and the vast area south of Huaihe River in Yangshao Culture，The influence of cultural factors is even far away as the Jinnan area。Judging from the Dawenkou Cultural Tomb found in the core area of ​​the Central Plains，Cultural exchanges are often accompanied by the flow of population。Dawenkou people in the east and the Qujialing people in the south continue to pour into the Central Plains，greatly changed the crowd structure of the Central Plains region，Thoroughly disintegrate the clan society with blood margin in the Central Plains region。Anti -ethnic invasion，exacerbated social contradictions and conflicts，This has given birth to the emergence of the setting castle，If the site of Zhengzhou Xishan City appears in the eastern edge area，The site of the white grass tower city and the Zhaizi Yantan city site of the Northern edge of Yangshao Culture Haisheng。

Late Longshan Times，The "multilateral effect" in the Central Plains region is more obvious，Formed a city group centered on Tao Temple。Eastern edge area mainly has Anyang back post from north to south、Mengzhuang, Huixian County、Boai Xijin City、Wenxian Xubao、Dengfeng Wangchenggang、Xinmi Ancient City City、Yuzhou Watian、Huaiyang Pingliangtai、Haojiatai, the city、Pingdingshan Pucheng Store, etc.。In the northern edge area, more than 20 stone cities appeared within the cultural scope of Huoshan。Most of these urban sites are distributed on the edge of various cultural conflicts，and the center of Tao Temple City is the center bet365 Play online games of the ring -shaped distribution。If the site of Tao Temple is a product of direct conflict and fusion of different cultures，Then the large city site of the edge zone is the "edge effect" 孳 creature。

The formation of summer culture is also the result of "edge effect"。Early summer culture is Xinzhai Culture formed by the advancement of the cultural development of the East Henan region，The southeast edge of the Central Plains Cultural District，East and Shandong Longshan Culture Echo，Southern and Shijiahe Culture adjacent to。Xinzhai culture not only exists with the surrounding cultural style pottery，There are also sheep from the West and the most copper wares at the same time。This symbiotic phenomenon should be the Xia and Dongyi、Witness of frequent interaction between Miao Man and Qian Rong's ethnic groups。Late Culture in Xinzhai，Xia people are divided into two roads north of Luo Yan，The Ruhe River Valley of the South Jing River Valley Crossing the River Valley Cross Longmen Enter the Luoyang Basin，Eventually forming Erlitou Culture。This can be seen，The formation of Xia culture should be the results of the "bonus effect", "cooperation effect" and "skin collection effect" in the "edge effect"。

In short，On the road formed by countries and civilizations in the Central Plains region，The multilateral advantage in "edge effect" is one of its main reasons。

(This article is the phased achievement of the special project of Henan Xing Cultural Engineering Culture Research on Culture Research)

(Author Unit: School of History and Culture, Henan University)