migration Learn more about migration
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The Law of population Migration in the process of Modernization
The so-called immigration law (law) or population migration law is the researcher's summary and refinement of the regular phenomena, trends and problems shown in a large number of population migration movements. it is an important group in population research and population migration theory research.
2016-03-20 Modernization process ongoing population migration laws the so-called immigration -
When did the Tibetan antelope migrate on a large scale? How long will it last? Why migrate?
Tibetan antelope are animals that live in alpine grasslands and alpine desert areas. they are good at running and migrating. When did the Tibetan antelope migrate on a large scale? How long will it last? Why migrate? When will the Tibetan antelope migrate on a large scale? Every
2020-11-11 Tibetan antelope large-scale migration yes when lasting how long -
2015 Miaoli Youth Migration Creative Workshop Registration Deadline 7/1
Miaoli County Culture and Tourism Bureau will hold the 2015 Miaoli Youth Migration Creative Workshop this summer, encouraging Miaoli young friends to sign up and realize the ideal of returning home to start a business. Registration closes on July 1. Courses are free of charge.
2018-07-02 -
Life revelation of Rural areas and Youth in South China / Migration of Junior College students _ Agricultural stay
Life revelation of Rural areas and Youth in South China / Migration of Junior College students _ Agricultural stay
2018-02-23 -
How do birds spend the winter?
If it is a migratory bird, it will migrate to a warm place to spend the winter before winter; if it is a non-migratory bird, it will find a relatively warm and dry place to sleep in order to reduce consumption to spend the winter. So, different birds spend the winter
2020-11-11 Winter birds yes how winter for example if migration class -
The changes of Peasant families in China under the influence of population Migration
The changes of Peasant families in China under the influence of population Migration
2019-02-18 -
Rural experience / migration of junior college students _ agricultural stay
Rural experience / migration of junior college students _ agricultural stay
2018-02-23 -
What level of animal is the black-faced spoonbill? Black-faced spoonbill habitat Zhuanghe, migration route of black-faced spoonbill
Do you know a bird like the black-faced spoonbill? Its number is very small. What level of animal is the black-faced spoonbill? It is a second class protected wild animal. So we should take good care of it. Zhuanghe Shicheng Island-shaped Mantuo and Wangjia Town Yuanbaotuo are black-faced spoonbills in China.
2019-03-08 Black face spoonbill yes level animal black face habitat Zhuanghe you -
Let the bee free 02 "bee hybrid migration, bee crab mites follow, experts: attach importance to native bee species, let bees naturally
Let the bee free 02 "bee hybrid migration, bee crab mites follow, experts: attach importance to native bee species, let bees naturally
2019-10-18 -
Can sardines be farmed?
Can sardines be farmed?
2018-07-06 -
Video of Tibetan Xiang Pig breeding Technology
Video of Tibetan Xiang Pig breeding Technology
2018-07-06 -
New challenges and New opportunities to see the New urbanization from the Spring Festival Transportation big data
Spring Festival transportation is a unique social phenomenon in the process of urbanization in China, and it is also one of the manifestations of the serious imbalance between the eastern and western regions of China's economic development. It is easier said than done from the perspective of Baidu's migration to big data, taking 17:00 on the 25th (the seventh day of the first lunar month) as an example, moving into the hottest city.
2016-03-20 New challenges new challenges new opportunities opportunities from Spring Festival travel big data -
How much is the swordfish per jin?
Swordfish, the scientific name Coilia ectenes, is a kind of migratory fish, which mainly lives in the sea. It will migrate into the river to spawn from February to March. Swordfish is also settled in some lakes. It is an important economic fish along the coast of China. So what about the price of swordfish in 2019? Swordfish
2020-11-11 Swordfish more less money one jin swordfish scientific name longjaw Coilia ectenes yes -
How much is the Tibetan Xiang Pig per jin?
How much is the Tibetan Xiang Pig per jin?
2018-07-06 -
What kind of fish is sardine?
What kind of fish is sardine?
2018-07-06 -
Control measures of soybean aphid disease
Soybean aphid is one of the main pests of soybean. Adults and nymphs are used to suck juice on the top leaves, tender leaves and stems of soybean plants. In severe cases, it is covered with stems and leaves, which can also infringe upon tender pods, resulting in dwarfism of plants, reduction of fruiting branches and pods, decrease of 1000-grain weight, and death of the whole plant at seedling stage. If it is not controlled in time in the big year, the yield will be reduced by 20-30%. If it is heavy, the yield will be reduced by more than 50%. The main soybean producing areas in China are all distributed, while the harm is more serious in some areas of Northeast China, Henan, Shandong and other provinces. Big
2019-01-16 -
Life habits of Red-crowned Crane
Life habits of Red-crowned Crane
2018-09-08 -
How to control corn armyworm and meadow borer? With what medicine prevention and control effect is good?
At present, it is an important period for the prevention and control of diseases and pests. According to monitoring, the peak of the first generation of armyworm adults in Jianghuai, Huanghuai and other places concentrated on migration to the Northeast and North China. At the same time, affected by the suitable factors of overseas insect sources and migration conditions, eastern Inner Mongolia, Heilongjiang and western Jilin Province
2020-11-09 Corn armyworm and grass borer how control use what medicine -
Orchid pest-- APHIS gossypii
Orchid pest-- APHIS gossypii
2018-05-02 -
Is yellow croaker a sea fish?
Is yellow croaker a sea fish?
2018-07-06