Staff take tree core with a growth cone. Growth cone Xiang'e ancient beech trees.<br>WCC reporter Xi Yang Tao Qinling photography<br> <br>Dujiangyan City, Mindanao Rural ancient 1350-year-old beech tree, "Mr. Green" died, he can not imagine how his departure, actually left a huge controversy determine the age of trees.<br> <br>Through the system in-depth analysis and research, Chinese Academy of Sciences, Chengdu Institute of Biology, doctoral tutor package Weikai said: "Mr. Green" actual age of only over 300 years old.<br> <br>From 1350 to more than 300 years old, a huge age difference,http://www.m-pep.org/spip.php?article1724, the industry raged. If his age is not real, does that mean "Ten Millennium Tree King," the title a misnomer? Whether they will be corrected in the title?<br> <br>To this end, WCC reporter launched a two and a half months of investigation.<br> <br>Mr. Green Age provoke controversy<br> <br>"Xiang'e" records: 1350 years old,http://store.shopping.yahoo.co.jp/mixon/4004360200.html, the Millennium Tree King deserved<br> <br>Mr. Green big name, high status to be credited to his life in November 2011 published "Xiang'e Zhi", has been officially recognized.<br> <br>"Xiang'e big beech tree - one of the ten thousand trees Chengdu King" which is "Xiang'e Zhi" in its title overview, the text in such statements "is located in the village board Xiang'e a group, there was a huge age more than 1350 years, the tree 21 meters high, 1.2 m diameter, 21 m crown thing, north and south 11 meters to Mindanao large ancient oak tree glauca. March 13, 2006 was named one of the ten thousand trees in Chengdu Wang, and hang 'Xiang'e ancient beech tree one' sign. "end of the paper, so the Council" as the Millennium Tree King deserved. " May 5 this year, has been involved in the rescue of Mr. Green's experts left for a long time to re-measure the sincerity of his 1.39 meters diameter.<br> <br>Chengdu Institute of Biology: more than 300 years, the results of scientific formulas<br> <br>Mr. Green longevity, there is no controversy in the folk. But the scientists wanted to find out the truth.<br> <br>In early May, I heard that Mr. Green's archives data, Chinese Academy of Sciences Chengdu Institute of Biology Ph.D. package Weikai of 1350 years of age questioned. 6, the package Weikai sent his doctoral Zhaoqing Xia went Xiang'e field detection. Unfortunately, Mr. Green trunk is empty, the scientists did not use the growth cone, to obtain effective ring data.<br> <br>Back to Chengdu, Zhaoqing Xia Luo Ji according and published in the "Journal of Mountain Science" on a research article in the formula (D = 2.988 + 0.313t + 0.396 * log (t), D on behalf of DBH in 2002, t Representative Age) inferred: Mr. Green at the age of 370 - about 400 years.<br> <br>Zhaoqing Xia this result is also very cautious, she further explained: the model range is limited by the modeling of trees is estimated there are some errors. With the aging of trees, DBH may not continue to grow, so its age may have some degree of underestimation. But the argument Millennium Mom.<br> <br>Other ancient age do not fly<br> <br> <br> <br>800-year-old ginkgo just over 200 years old<br> <br>Zhaoqing Xia said, for those legendary trees age, they are cautious skepticism. Relatively speaking, the trees are the most likely age of the annals of the name of those trees. "Even so, age is not necessarily accurate." Zhaoqing Xia explained that over time, changes in urban and rural construction, may then change the location of the tree, the tree may also be recognized as the others on the tree annals.<br> <br> also revealed that, at present, research the industry is still relatively small trees age and shallow, most of the learning models are based on a young tree on top, with the growth cone and isotopic age is to determine a more accurate way. In mid-May, with the consent of Dujiangyan City,http://www.54qingdao.com/home.php?mod=spacecp&ac=blog&blogid=, the Green Committee, at thousands of plants were selected trees in the best physical condition of tree ginkgo tree and Phoebe were measured. Results to her surprise.<br> <br>Dujiangyan Ancient tree album recorded "No. No. 1620 Census, located irrigation Town ginkgo Xiangcun legend age: more than 800 years," the ginkgo tree about 222-240 years of age.<br> <br>The other was located in Temple Park, Phoebe, file age: 120 years, measured by the Zhaoqing Xia, its age about 226-242 years old.<br> <br>Millennium trees selected re-investigation<br> <br> <br> <br>Judge: No measuring tree year-old king's<br> <br>ZHAO Zhi, currently Dujiangyan Longxi - Hongkou National Nature Reserve Authority, is one of the judges who participated in the selection of ten thousand trees of the king. "Vigorous, Qing Qi Qiu sticks beckons the hardships of life and tenacious; 1300 years of ups and downs, can not erase the pursuit and longing for light high" in Dujiangyan City Forestry Bureau Mingmugushu album, which is ZHAO Zhi year for its written comments.<br> <br>Mr. Green is how when ten thousand trees on the king of Chengdu? ZHAO Zhi recalled, when Chengdu forestry and garden Authority to engage in wildlife conservation in Chengdu, Millennium Tree King Ten selection activities, local forestry authorities and the masses can be recommended. "It is unique to the Mindanao Rural position of beech tree, on an isolated hill, very tall and very striking, the tree is also a great place, when there are two branches alive the legend of its long history of the people." ZHAO Zhi said the above factors They recommended Mr. Green. ZHAO Zhi admits, when ten thousand trees named king, as the judges consider him more influence in the local tree, the shape of the tree, the tree species and legends and other factors to selection. "Although there are technical measure age,http://cgi.kwkwkw.com, but in order not to damage the trees, then ten thousand tree king did not carry out this work." So far he does not know how old Mr. Green in the end.<br> <br>"That's a campaign." 23, Chengdu, forestry and garden Authority, the Wildlife Conservation Department staff, told reporters in a telephone interview revealed that the selection of judges by the ten thousand trees nature reserve specialists, botanical garden experts,http://www.fjvip.org/home.php?mod=spacecp&ac=blog&blogid=, representatives of the public and reporters and other components of the judges to the scene, take pictures, learn about the history of old trees, and finally evaluated.<br> <br>"To be honest, the so-called Millennium also refers to just about old enough on the line." The staff said that the charity is not giving out awards, the purpose is to arouse public awareness of the protection Mingmugushu,air max 90 pas cher, the selection process is not rigorous. Ten thousand year when the selection tree king, taking account of the factors is best not to repeat. Ancient beech tree is not much, and therefore, the legendary Mr. Green in 1350 very well selected.<br> <br>Chengdu Mingmugushu large census<br> <br> <br> <br>Let the famous tree and ancient "worthy death"<br> <br>Are there really Chitose Mr. Green? Chengdu green engineering team chief Liu Jiwei Famous Trees skeptical. For trees Age finds said, usually used to extract samples from a growth cone trees trunk drilling, will cause some damage to trees, more or less affect the growth of trees, contrary to the original intention to protect trees. Even with this method, often because heart rot tree hollow trees, valuable trees take no core, not its precise information.<br> <br>"Trees alive to determine its exact age, it is difficult." Liu Jiwei said,http://www.postyourshavedpussy.com, to determine age or, as the trees awarding good, all in order to better protect them. "Do not be determined in order to determine the age of the age." Liu Jiwei repeatedly stressed his view, of course, after the death of an old tree,doudoune moncler pas cher, it can be a valuable basis to determine the age, but also for the study of the age old trees play a scientific value.<br> <br>According to relevant regulations, Mingmugushu want to be a census every five years,http://www.provalterbi.ch/spip/spip.php?article15, to determine the location of trees, growth status and other information. This year, Chengdu has started a citywide census old trees. According to the information department of ancient and famous trees, census downtown Chengdu from March has already begun,woolrich sito ufficiale, it is expected to complete by the end of July.<br> <br>With regard to the ancient and famous trees death process, "Chengdu Famous Trees protection regulations": old and valuable trees died, Guanhuzeren shall promptly report to the administrative department of ancient and famous trees. The administrative department of ancient and famous trees acknowledge and identify the reasons for the determination of responsibility after,http://happy-marron.com/cgi/diary/nicky/nicky.cgi, be canceled. Endanger the security must be harvested, it should be the legal procedures for approval, before treatment after approval.<br> <br>. "For the death of the old trees in treatment, although there are laws, but the lack of specific rules for the operation," Liu Jiwei recommendation: should Mr. Green death as an opportunity to develop a processing procedure Famous Trees of death, and extended to the district, City, county, forming a template Famous Trees handle death. Perhaps so, Mr. Green will be more worthy death.<br> <br>Whether to consider revocation of the title of the Millennium Tree King?<br> <br>Talk after scientific tests measure<br> <br>WCC: Mr. Green's death, whether it will be considered a substitute for other trees?<br> <br>Chengdu Green commissioned deputy director Chen Liping: According to you to say that in the end there is no king millennium tree Chitose still controversial, in the absence of a more scientific conclusions circumstances, temporarily not consider this issue.<br> <br>WCC: If I did not,moncler femme, Mr. Green on Chitose, whether commissioned Chengdu Green Tree King will consider withdrawing the title of the Millennium? Or correct their title?<br> <br>Chen Liping: After this question to scientific tests, as a basis to talk measures. Once the final results concluded that talk of measures.<br> <br>WCC: Actually, we intention is to protect the trees, ask the next green Chengdu commissioned in terms of what the action to protect them?<br> <br>Chen Liping: This year, the Chengdu city center of ancient and famous trees want to undergo a medical examination, we take this opportunity to extend this service to ten thousand tree king.<br> <br>Measured tree age<br> <br>Plus software to analyze the number of rings<br> <br> said that at present, research the industry is still relatively small trees age and shallow, most of the learning models are based on a young tree on top, with the growth cone and isotopic age is to determine a more accurate way. Zhaoqing Xia is how to get the data out? WCC reporter followed her to witness the whole process from measurement to statistical analysis.<br> <br>1, coring. (With a growth cone drill instrument at 1.3 meters into the trunk, remove the tree dies.)<br> <br>2,moncler outlet online, polishing. (By grinding, so that the rough tree core lines become clear.)<br> <br>3, scanning. (The tree core is fixed in a wooden box, placed in specialized scanning equipment, through the software reads out the tree ring data is then aid cross dating software, discrimination and lack of some pseudo-wheel wheel.)<br> <br>Finally, she confessed Dujiangyan City Green commissioned especially, must take place to repair boreholes and protected against moth-eaten. Core through the trees, we can clearly see that the ring is not very regular. The distance between the nearest tree ring cores larger, indicating that trees grow faster in early childhood, but with increasing age, the distance between the smaller and smaller rings.<br> <br>(Original title :)<br><br>
DavidCadogan.ca Forums » DavidCadogan.ca
Millennium Tree King Ten selection activities
(1 post)-
Posted 10 years ago #
Reply
You must log in to post.