Arboretum restoration planting this Saturday, 4/13/2013, 10 AM

April 9th, 2013 by Mike Weaver

The Bucknell Arboretum and the Bucknell chapter of the Botanical Society of America are looking for volunteers to help us plant over 150 native shrubs and trees in the grove, Saturday 4/13 at 10 AM.  We will meet in BIOL 104 for coffee and donuts and a short organizational meeting.

 Everybody welcome.  Bring your family and friends.  Please sign up on this google spreadsheet:.
https://docs.google.com/a/bucknell.edu/spreadsheet/ccc?key=0AtW-biBbbwdLdDM4R0VXS3RMTGdiU3ExeHJ4MmhNenc#gid=0

Background:  The Arboretum was established in part to enhance biodiversity and to preserve historic and significant trees on campus.  One area of concern is the ‘presidential grove’, a stand of mixed hardwoods with hundreds of white oaks that are over 230 years old.  These ancient trees are in decline due to many factors including invasive species, erosion and exposure of roots and loss of nutrients.  An understory of native shrubs will provide many important ecological roles including stabilization of the soil, retention of nutrients, slowing the spread of invasive species as well as food and habitat for increased diversity of insects and birds.
Since 2008, student groups have each year volunteered to remove invasive species and plant native understory trees. On Saturday we will have our biggest restoration planting to date…. and we need your help.
We are planting 166 shrubs and trees as follows.
6   Chinkapin oak
30 Arrowood viburnum
25 Grey Dogwood
25 Red Osier Dogwood
20 American Cranberry
40 Black Chokeberry
20 Winterberry Holly
We hope to see you on Saturday.

Arboretum Walking Tour – Saturday October 27, 2012

October 22nd, 2012 by Mike Weaver

Professors Duane Griffin and Mark Spiro will lead an Arboretum Walking Tour of the campus beginning in front of the Bertrand Library at 2:30 p.m. on Saturday October 27, 2012. The Bucknell University Arboretum is represented by more than 1,700 trees and nearly 100 species, an arboreal legacy representing over 150 years of wise stewardship and management. Join us for a short walking tour to learn about the Arboretum project and efforts to protect our remarkable sylvan treasures.

Environmental Residential College, 2011

October 29th, 2011 by Mike Weaver

On a sunny Saturday morning in October 2011 the students of the Environmental Residential College, led by professors Chris Daniels, Steve Jordan  and Mark Spiro, dug and removed several large patches of Japanese knotweed (Fallopia japonica) and several young Norway maple trees (Acer platanoides)  and planted 20 native trees – 10 eastern redbud (Cercis canadensis) and 10 flowering dogwood (Cornus florida).  Japanese knotweed is a particularly aggressive weed that grows back from even the smallest piece of root remaining in the soil. Continued removal of these plants will be required in the future.

Link

Bucknell University Arboretum – Grand Opening

September 28th, 2010 by Mike Weaver

After two and a half years of hard work by faculty, staff, and some outstanding students, it is my great pleasure to announce the opening of the Bucknell University Arboretum!

Please join us Friday, Oct. 1 at 11:00 a.m. in the grove across from Bucknell Hall (or inside, if it’s raining) to celebrate a century and a half of wise stewardship and the official launch of this fantastic campus resource.

See you there,

Mark Spiro and Duane Griffin

Environmental Residential College, 2009

December 10th, 2009 by Mike Weaver

On a beautiful fall afternoon in 2009 the students of the Environmental Residential College, led by professors Ned Ladd and Mark Spiro, and together with facilities staff, removed three large Norway maples (Acer platanoides) and planted 20 native trees – 10 eastern redbud (Cercis canadensis) and 10 flowering dogwood (Cornus florida).  Norway maple is an aggressive invasive species that competes for moisture and nutrients in the soil damaging the native flora.  Norway maples quickly re-sprout from the cut stump so the site will need to be continuously monitored for regrowth of these trees.

Link