These slides introduce the MELNHE session at the 2013 annual Hubbard Brook Cooperators Meeting, July 11, 2013. They set up the Shoestring presentations that will follow.

1. Multiple Element Limitation in
Northern Hardwood Ecosystems
Team Shoestring (MELNHE)
Ruth Yanai
Melany Fisk
Tim Fahey
Christy Goodale
Joel Blum
Ed Rastetter
And last but not the least: Years of AWESOME SHOESTRING
FIELD CREW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2. MELNHE sites
Courtesy: Matt Vadeboncoeur

3. Experimental design & study sites
• 9 stands at BEF
• 4 stands at Hubbard Brook & Jeffers Brook
• 3 reps each of young(~20), 5 of mid (~40)
& old (>100 yrs)
• Four 50X50 m plots in each stand receiving
fertilizer treatments from May 2011:
- N (30 kg N/ha/yr as NH4NO3)
- P (10 kg P/ha/yr as NaH2PO4)
- N+P
- Control
• Ca (1150 kg Ca/ha/yr as CaSiO3) at 6 of the
13 stands
Stand C8 at BEF
(Courtesy: Matt Vadeboncoeur)