Environmental Dynamics and Ecosystem Responses (ENDER)

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About ENDER

The Environmental Dynamics and Ecosystem Responses (ENDER) team is divided into three research components focused on studying complex ecosystem dynamics among climate, terrestrial and marine systems in Hawai‘i. Initial efforts include establishing a climate etwork in terrestrial and marine experimental plots in various locations throughout the Big Island of Hawai‘i. By investigating the role of coastal and upland invasive species like kiawe (mesquite) trees and nutrient dynamics in terrestrial zones at the Kiholo and Kaloko-Honokohau coastal sites on the leeward side of that island, the ENDER team is carefully observing and analyzing environmental changes brought on by global warming and invasive species. The team is also working to enhance communication between researchers and the local community with the goal of creating opportunities for students from groups underrepresented in science, technology, engineering, and math (STEM) fields and actively engage them in environmental research in Hawai‘i.

The ENDER Team is conducting research in three areas:

Climate
Terrestrial
Marine

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1:00 pm				1:30 PM - 4:00 PM Traveling STEAM Days at Keaukaha Elem. A+ Program Keaukaha Elementary School

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Nov 30 2010 2:20 pm

Hi David, thanks a lot for considering helping us with this. It will really make our operations much more efficient, effective, and accurate. I understand that something like this doesn't happen over night. In the mean time I can come up with sort of a format for a spreadsheet that would fit our needs. If there is anything else I can do to help with this I would love to be involved as much as possible.

Updated by Mike Purvis December 14, 2010 - 11:51am

David Kimball's blog

MARINE AGENDA – UHH Team - Year 2, Quarter 1 (Sep-Nov, 2010) Field Trip Summaries

ENDER Team Blog

Jan 27 2011 2:09 pm

Sept 26th, 2010
Site: Kiholo
Crew: Erik Johnson and Judy Walker, plus one Keaholoa volunteer
Met Keaholoa team, kayaked surface map using YSI 6600 V2, collected 10 water samples, collected 2 additional samples from anchialine ponds. 4 primary productivity/ respiration samples taken. Water sample nutrient analyses conducted. Flow cytometry and Chl a analyses.

Oct. 24th, 2010
Site: Kiholo
Crew: Erik and Kristine Johnson
Met Keaholoa, kayaked surface map using YSI 6600 V2, collected 6 surface samples for metabolism. Water sample nutrient analyses conducted.

Submitted by beets on January 27, 2011 - 2:09pm

ENDER UHM TERRESTRIAL-MARINE ECONOMICS BLOG QUARTERLY REPORT 2/2/2011

Feb 11 2011 7:42 am

To address the issue of coastal marine nutrient loading, we have initiated the development of an analytical framework to compare the cost-effectiveness of three types of nitrogen abatement measures (input substitution, output reduction, and end-of-pipe technologies) across three nitrogen sources (fertilizer runoff; wastewater from treatment plants, septic systems and cesspools; and kiawe trees). As a starting point, we are working with a simplified version of the model, which focuses on nitrogen loading from fertilizer.

Submitted by cglenn on February 11, 2011 - 7:42am

UHM ENDER Marine Team Quarterly Report 2/2/2011

Feb 11 2011 7:36 am

The ENDER Marine team at UH Manoa performed 2 field campaigns during which we surveyed Honokohau Harbor and Kiholo Bay for submarine groundwater discharge, salinity, temperature and nutrient distribution. We analyzed groundwater plume structures and mixing rates of groundwater derived nutrients with offshore ocean. Primary productivity rates were derived across the salinity gradient within the groundwater plume in Honokohau Harbor and Kiholo Bay.

Updated by Craig Glenn February 11, 2011 - 7:50am