14
2016 AFA Teachers Conservation Tour Tree Cookies Reading Increment cores Tamara Walkingstick AFRC Caroll Guffey AFRC

Tree Cookies

Embed Size (px)

Citation preview

2016AFA

Teachers Conservation Tour

Tree CookiesReading Increment cores

Tamara Walkingstick AFRCCaroll Guffey AFRC

https://www.youtube.com/watch?v=dL5loAe1wpk

Move over, Methuselah! There’s a new girl in town!

What is Dendrochronology?

Dendrochronology is the dating and study of annual rings in trees.The word comes from these roots: ology = the study of chronos = time; more specifically, events and

processes in the past dendros = using trees; more specifically, the

growth rings of trees

Besides the age of the tree, we can use them to: Put the present in proper historical context Better understand current environmental

processes and conditions Improve understanding of possible future

environmental issues

What Do Tree Rings Tell Us?

Historical Events

Past & Present conditions

Project the Future & Climate

Cookie Parts

Increment Borers

Reading a Tree Core Sample

What story does your cookie tell? How old was your tree? What type of drought conditions

did it face when it was 5 years old? What type of conditions did it face

when YOU were 5 years old? How many “bad” years has it had? When was the latest good year of

growth?