The Rowley River in February. Photo by Sam Kelsey.

Announcements

The PIE LTER All Scientist Meeting is taking place March 3-4, 2026 at the Marine Biological Laboratory in Woods Hole, MA. The meeting provides a unique opportunity for PIE researchers to share research, collaborate, and network. We hope to see you there!
If you participated in PIE fieldwork during the 2025 season, we’d really appreciate your feedback through a short anonymous survey (about 5 minutes). The goal is to better understand experiences from this past field season and identify areas for improvement going forward. Thanks for taking the time to share your input!

Nell Bowen collecting dam samples through the ice. Photo by Julia Holtzer.

PIE is hosting a photo competition during the ASM! Submit your favorite PIE associated photos in one of four color categories: greens, yellows, blues, and reds. We will generate brackets and vote "Marsh Madness" style at the ASM to determine winners of each category and a best overall photo.
The PIE LTER is accepting applications for two 10-week positions in the Research Experience for Undergraduates (REU) program sponsored by the National Science Foundation. REUs will work as part of a large-scale, multi-disciplinary project examining the effects of sea-level, climate change, and changes in human land use of the marshes, estuaries and watersheds surrounding Plum Island Sound, MA. Housing will be provided at the field house in Newbury, MA. Applications will be accepted until March 6, 2026.

2025 REUs Colin Surdam and Anna Davidson tethering fiddler crabs. Photo by Valerie Acosta Rodriguez.

The LTER Graduate Student Rep Committee Working Group is hosting a monthly Book Club, a fun, casual space for undergraduate students, graduate students, and postdocs across the LTER Network to connect and engage in conversations beyond day-to-day research. They will meet the third Tuesday of each month at 7 pm EST. This month's meeting is on February 26 and will discuss the second section of Braiding Sweetgrass by Robin Wall Kimmerer, "Tending Sweetgrass". RSVP here, and please free to join even if you haven’t finished the reading!
The LTER Network is sponsoring eight site-exchange fellowships for summer 2026 to facilitate site comparison and support the development of cross-site projects. Each fellowship will cover travel, lodging, and food expenses for a one-week trip to a different site. Applications are due by March 16, 2026.

Example map of salt marsh pools within the Great Essex Marsh. Pools are colored from red to blue based on their estimated growth trends.

The ADVANCEing FieldSafety (AFS), a partnership between CIRES/CU Boulder and ADVANCEGeo, just launched a redesigned program with a 7-module online course, two 90-minute, interactive online workshops on bystander intervention strategies and composing norms agreements, and a toolkit of resources such as checklists, fillable documents, and implementation guides.
iDigBio is hosting a webinar series spotlighting the future of biodiversity specimen digitization. This series will highlight innovations, workflows, and institutional strategies aimed at ensuring the long-term sustainability of digitization and data mobilization efforts. Some upcoming webinars of interest include:
February 24, 2026 Sustaining Digitization: A Community Perspective
March 10, 2026 Notes From Nature: A Tool for digitizing collections
March 17, 2026 Imaging 101: General Principles of Photography & Best Practices

Slice of PIE

Above: Sam Kelsey, Jim Laundre, and Hannah Orton installing the PhenoCam at Typha. Photo by Zoe Cardon.

Below: Nelson PhenoCam images from four seasons.

Want to have your eyes on the marsh but you’re not nearby? Now you can! Through the CMarsh project, Jim Laundre installed PhenoCams in the low marsh (Shad), high marsh (Nelson), and Typha marsh (along the Parker River) last spring, all contributing to the National Phenocam Network at Northern Arizona University. Images are taken every day, and you can view and download them online using the links below. Automated measurements derived by the Network from the images include, for example, a “G.C.C.” greenness index, capturing plant phenology (greenup and senescence). And the images are beautiful! Typha and high marsh PhenoCams will be active year-round; low marsh will be summer season only. High tides, boardwalk, plant greenup and senescence, and winter ice & snow, in RGB and IR, are now all being captured and saved at the network. Take a look!

Right above: Nancy Yang at Typha. Right below: Zoe Cardon at Shad.

Recent Publications

A GIS Method to Analyze Trajectories of Gross Changes Through Multiple Temporal Resolutions With an Application to Brazilian Soybean Cultivation
Transactions in GIS
Thomas Mumuni Bilintoh, Robert Gilmore Pontius Jr., Gustavo de L. T. Oliveira, Julia Shimbo

Deriving microbial food web structure by maximizing entropy production over variable timescales
Interface Focus
Joseph John Vallino, Olivia Ahern, Julie A. Huber

Mapping salt marsh hydroperiod using Synthetic Aperture Radar time series
Remote Sensing Applications: Society and Environment
Saoussen Belhadj-aissa, Marc Simard, Adriana Parra Ruiz, Jordi Palacios, Sergio Fagherazzi

Supporting Blue Carbon Accounting: A Process-Based Productivity Model for Global Salt Marshes
Environmental Science & Technology
Zhuoya Zhou, Tingting Li, Xiu-Qun Yang, Deliang Chen, Guangxuan Han, Xingwang Fan, Xiaosong Zhao, Siyu Wei, Bin He, Guocheng Wang, Zhangcai Qin

We have 26 new or updated data packages! Thanks to everyone who submitted their data this winter.

The PIE LTER Newsletter is a forum for sharing news, opportunities, and activities from across the PIE LTER Community. If you have an announcement, workshop, job opportunity, or recent publication that would interest our community, please send them to pie_im@mbl.edu.
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