ನಮ್ಮ ರಾಕ್ಷಸ ದೃಷ್ಟಿಗೆ ಬೀಳದೆ ಉಳಿದಿರುವ Ancient Trees, ಅಶ್ವತ್ಥ ಮತ್ತು ಗೋಳಿ Naga Bana or Daivastana

Ancient trees are ecological titans and living archives, often centuries or millennia old, that sustain forest biodiversity. Explore the globe's oldest surviving individual specimens using Wikipedia's List of Oldest Trees, or dive into comprehensive species profiles on Treehugger.

The longevity and characteristics of these monumental organisms vary widely:

1. The Oldest Non-Clonal (Single) Trees

Methuselah: Located in the White Mountains of California, USA, this Great Basin Bristlecone Pine is roughly 4,668 years old, making it the oldest known living non-clonal tree on Earth.

Alerce Milenario (Gran Abuelo): Found in Alerce Costero National Park, Chile, this Patagonian cypress is estimated to be over 3,600 years old, with recent unconfirmed estimates suggesting it could be closer to 5,484 years.

Sarv-e Abarkuh: Located in Abarkooh, Iran, this ancient cypress is estimated to be between 4,000 and 5,000 years old, making it the oldest living tree in Asia.

2. The Oldest Clonal Colonies

Pando: Located in Utah, USA, this colony of quaking aspens is connected by a massive, unified underground root system. The entire clone is estimated to be thousands (potentially up to 80,000) of years old, even though individual stems naturally die and replace themselves.

Old Tjikko: A 9,568-year-old Norway spruce in the Dalarna province of Sweden. Like Pando, the root system is of ancient origin, with the visible tree trunk regenerating over the millennia.

3. Historic & Culturally Significant Trees

Jaya Sri Maha Bodhi: Located in Anuradhapura, Sri Lanka, this sacred fig (Ficus religiosa) was planted in 288 BC. It is verified as the oldest living tree planted by a human with a continuously recorded history.

The Olive Tree of Vouves: Located on the Mediterranean island of Crete, this ancient tree is estimated to be over 3,000 years old and remarkably still produces olives.

How to Identify Ancient Trees
Scientists and arborists (as cataloged by resources on Wikipedia's Ancient Tree page) look for specific physical indicators. These include massive trunk girth, hollow and cracked wood, heavily weathered bark, and a diverse micro-ecosystem of ferns, mosses, and fungi supported by the decaying deadwood.
Definitions of longevity vary between clonal trees, ones where parts of the tree continue to live after the death of the first trunk or trunks, and non-clonal trees. Tree ages are derived from a variety of sources, including documented "tree-ring" (dendrochronological) count core samples, radiocarbon dating, girth-to-age formulas, and estimates from growth rates. For these reasons, there are three lists of "oldest trees" here, using different criteria.
The three tables of trees are listed by age and species. The first table includes trees for which a minimum age has been directly determined, either through counting or cross-referencing tree rings or through radiocarbon dating. Many of these trees may be even older than their listed ages, but the oldest wood in the tree has rotted away. For some old trees, so much of the center is missing that their age cannot be directly determined. Instead, estimates are made based on the tree's size and presumed growth rate. The second table includes trees with these estimated ages. The last table lists clonal colonies in which no individual tree trunks may be remarkably old but in which the organism as a whole is thought to be very old.
The record-holders for individual, non-clonal trees are the Great Basin bristlecone pine trees from California and Nevada, in the United States. Through tree-ring cross-referencing, they have been shown to be almost five millennia old.
A clonal colony can survive for much longer than an individual tree. A colony of 48,000 quaking aspen trees (nicknamed Pando), covering 106 acres (43 ha) in the Fishlake National Forest of Utah, is considered one of the oldest and largest organisms in the world. Recent estimates set the colony's age at about 16,000 to 37,000 years, although tree ring samples date individual stems at rarely more than 130 years. A colony of Huon pine trees covering 2.5 acres (1.0 ha) on Mount Read (Tasmania) is estimated to be around 10,000 years old, as determined by DNA samples taken from pollen collected from the sediment of a nearby lake. Individual trees in this group date to no more than 4,000 years old, as determined by tree ring samples.
As with all long-lived plant and fungal species, no individual part of a clonal colony is alive (in the sense of active metabolism) for more than a very small fraction of the life of the entire clone. Some clonal colonies may be fully connected via their root systems, while most are not actually interconnected, but are genetically identical clones which populated an area through vegetative reproduction.
Cross-dating via dendrochronology is the most exact method for dating a wood sample.
Courtesy:- Wikipedia
Here, showing you a oldest ಗೋಳಿ ಮರ.
Watch Videos of Chandrashekhara Navada, @kcnavada.com

Видео ನಮ್ಮ ರಾಕ್ಷಸ ದೃಷ್ಟಿಗೆ ಬೀಳದೆ ಉಳಿದಿರುವ Ancient Trees, ಅಶ್ವತ್ಥ ಮತ್ತು ಗೋಳಿ Naga Bana or Daivastana канала Chandrashekara Navada