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Can foodie repel invasive species? Stupid humans are clothes.
Today's species calendar introduces hairy crabs. At the end of the article, we say that hairy crabs have become an invasive species in Europe and the United States. You may be surprised that hairy crabs can still cause headaches? Send a Chinese food delegation, not divide it.
2018-10-03 -
How to identify the quality of fish species in aquaculture
Strong fish species is not only an important basis for increasing adult fish production, but also one of the main conditions to improve the survival rate of fish species. The main standards for identifying the quality of fish species are 5.
2019-02-26 -
The fire was the second death they were forced to experience.
A fire in Brazil has touched the hearts of countless scientists and museum enthusiasts-the fire that started last Sunday night burned almost all of the main collection of the National Museum of History of Brazil, and 20 million collections were torched, including.
2018-09-08 -
There are 529 alien invasive species in China, resulting in a loss of 57 billion yuan a year.
The invasion of more than 500 alien species engulfs 57 billion yuan a year, which is caused by the invasion of alien creatures in Beijing by reporter Zhang Wen, which not only seriously interferes with the ecosystem, but also brings an average annual economic loss of more than 57 billion yuan to our country. The Ministry of Agriculture issued a message on July 29 that I
2016-03-20 China alien invasive species up to 529 species a year bring 500 -
Doctor "bug fan" discovers 13 new species of giant mosquitoes
Doctor "bug fan" discovers 13 new species of giant mosquitoes
2019-02-18 -
How to configure and maintain ornamental grass species and turfgrass species
How to configure and maintain ornamental grass species and turfgrass species
2019-03-04 -
There are more than 500 species of alien invasive plants in China.
In recent years, tropical micro-chamomile, southern Phoenix blue, southwest Eupatorium adenophorum, these exotic invasive plants have caused serious losses to China's ecosystem and economic development. The latest survey shows that there are more than 500 species of alien invasive plants in China. Chinese department
2016-03-20 China exotic invasive plant has more than 500 species tropical micro -
Orchids are called "old species", "new species", "native species", "resale species" and "tissue culture seedlings".
Baomu Zhai is the first thing we often see, and the seller will add the word "old" before the name of the variety. It is pointed out here that this is a big hoax. The so-called "old species", the parallel words are "new and old species", "new species" or "new flowers" and "old species" is not a word to describe the source, he.
2018-02-28 -
China has become one of the most serious invasions of alien species.
On July 24, the national exotic invasive organism water hyacinth was killed on the spot in Guilin Town, Tongnan County, Chongqing. Water hyacinth is one of the top ten malignant invasive weeds in the world. It was introduced into China in the 1930s and has spread in the middle and lower reaches of the Yangtze River.
2016-03-20 China adult alien species invasion the heaviest one July -
Identification of seven species of closed-shell turtles
At present, the breeding of closed-shell turtles is one of the hot spots in turtle breeding. There are seven species of closed-shell turtles, except Anbu closed-shell turtle is a common species, the other six species are difficult to see their appearance. In order to enable farmers to select species correctly, the identification methods of seven species of closed-shell turtles are introduced as follows: 1. The difference between closed-shell turtles and other turtle species closed-shell turtles are specialized groups of turtles. The middle part of their abdominal nail is connected by ligaments, which is like a hinge and can move. after death, the ligament is broken and the abdominal nail becomes two segments, so the closed-shell turtle is called broken plate tortoise.
2019-01-16 -
How to identify high quality fish species
"half the profit is good for planting, and half the grain is good for seedlings." Strong and good quality fish species is not only an important factor to improve the survival rate of fish species, but also an important basis and guarantee to increase fish production and economic benefits. High-quality fish species should have: appropriate specifications, neat, robust and harmless, lively action, strong food grabbing power, specifically to identify high-quality fish species can be summarized as "three look and one sampling". A look: the specifications of fish species in the same pond and the same fish pond should be neat and uniform, with little difference in body length and weight, on the contrary, there is a large individual gap.
2019-01-16 -
Is crocodile a protected animal?
Is crocodile a protected animal?
2018-07-06 -
How to distinguish high-quality fish species
A look at the specifications of fish species the specifications of the same kind of fish in the same pond should be neat and uniform, with little difference in body length and weight. On the contrary, the overall survival rate of poor fish species with large individual gap and uneven quality is often very low due to predation, mixed germplasm, poor feeding and other reasons. Second, look at the body color of fish species. The body color of fish species is bright and full of luster. Different species and different feeding methods have different body colors. Generally speaking, the back of high quality silver carp should be silver gray, the side of body and abdomen should be silver white, and the body color of high quality grass carp should be light.
2019-01-16 -
Beautiful native plant species up! The Forestry Bureau selects 106 species of native forest plants in Taiwan, all of which can be selected for horticultural landscape and street trees.
Beautiful native plant species up! The Forestry Bureau selects 106 species of native forest plants in Taiwan, all of which can be selected for horticultural landscape and street trees.
2020-03-18 -
Present situation and Prospect of Research and Development of New Aquatic products in China
Improved varieties of aquatic products generally refer to the original species and new varieties of aquatic products with excellent economic characters and production performance. At the present stage, although the research and development of new aquatic products in China is stimulated by some favorable factors, such as policy support, technical guarantee, social demand and so on, it still faces.
2016-01-10 China aquatic products new varieties research and development current situation prospect -
Selection method of stone money tortoise
Selection method of stone money tortoise
2018-07-06 -
The oversized "species Calendar" designed for children is not just big.
The fruit shell is eight years old, and many fruit shells er also have small shell er. Calendar Niang often receives the "Battle report" that they use the "species Calendar" as a child's recognition picture and literacy card: there are 53 warm and scientific movements on the species Calendar every year.
2018-10-09 -
What are the species of ornamental fish?
What are the species of ornamental fish?
2018-09-08 -
Matters needing attention in the selection of hydroponic flower species
Matters needing attention in the selection of hydroponic flower species
2019-09-21 -
Three types of succulent plants. What do you have in your house?
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2018-05-26