The Wrack: research

blog of the wells reserve & laudholm trust

Story Map: Larval Fish

June 6, 2017 By Michelle Furbeck Filed under Article Tags: fishlarval fishresearch

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Associated People Tyler Spillane

The spring field season has begun with a 10-week study on migratory fish in the York River. We are collecting data for the Wild and Scenic Study Committee by using fyke nets to sample fish every day.

Rainbow Smelt in the hand. Caught in the York River in early April 2017.We started work in the beginning of April and in the first three weeks caught 2,598 fish, of which 1,228 were spawning rainbow smelt. We recorded the length, weight, and sex of each smelt caught, finding the average fish to be 6.1 inches long and weighing about 1 ounce. More than 87 percent of our catch was male. Males usually arrive first at spawning sites and wait for females. They can also travel up river to spawn more than once during the spawning cycle, while females will swim upstream and spawn in one high tide event.

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Associated People Jason Goldstein

Dr. Jason Goldstein portraitWELLS, Maine, July 20, 2016 — Dr. Jason Goldstein is the new research director at the Wells National Estuarine Research Reserve. Goldstein will oversee the Wells Reserve’s fish studies, salt marsh restoration activities, and long-term environmental monitoring program. He intends to expand the reserve’s shellfish program, currently focused on green crab research, into lobster and Jonah crab ecology. Goldstein was selected after a national search and started at the reserve in June.

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Spring 2016 Fish Monitoring

March 15, 2016 By Amelie Jensen Filed under Article Tags: fish passagefishingmigratory fishresearch

Associated People Jacob Aman

Brook Trout in the hand.This spring, our research staff will be heading out to nearby rivers to begin a fish-monitoring project and you can get involved.

We're collaborating with the Maine Department of Marine Resources (DMR) to generate up-to-date population information on species with the greatest conservation need in coastal Maine. DMR staff have identified potential spawning habitat for diadromous species such as alewife, rainbow smelt, and brook trout in the Merriland River, Mousam River, and Little River (Biddeford). Now we’re off too see if these species are indeed using these habitats.

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2015 Green Crab Trapping Update

November 6, 2015 By Amelie Jensen Filed under Article Tags: green crabsresearch

Associated People Jacob Aman Timothy Dubay 2015 Interns

 We've processed all the catch from another season of trapping green crabs (Carcinus maenas) and have some preliminary results to report.

Between June and October we caught 6,432 green crabs. This is merely half the number of crabs as last year! In the figure below you can see that the catch was not distributed equally across the three trapping sites. Trends in numbers were similar to those seen last year. Again, the most crabs were caught in the Webhannet River, Wells (3,848) and the least in Broad Cove, Yarmouth (284).


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Associated People Jacob Aman

WELLS, Maine, September 21, 2015 — On September 18, a small dam was removed from Goff Mill Brook in Arundel near where it flows into the Kennebunk River estuary. The removal reconnects seven miles of stream habitat to the estuary, benefiting brook trout, other migratory and freshwater fish, and the watershed’s ecology. The project was coordinated by the Wells National Estuarine Research Reserve, working in full partnership with the Sebago Chapter of Trout Unlimited under TU’s national Embrace-a-Stream grant program.

“Goff Mill Brook is now connected to the Gulf of Maine for the first time in at least 60 years,” said Wells Reserve project manager Jake Aman. “We expect many fish and wildlife species to benefit from this restoration, including commercially important fish like American eel and river herring.”

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Crab TrappingAs an environmentalist, I'm interested in the relationship between human communities and their environments. That is, how human activities have impacted watershed environments, coastal ecologies, and others alike. The opposite perspective is also how environmental changes such as climate change and sea level rise are affecting human communities especially in coastal regions. I want to learn more about these environmental issues and explore the possibilities of conservation techniques that could benefit both sides.

As a research intern at the reserve this summer, I was keen to discover more about these topics with NOAA and how relevant it was to my past research opportunities. I have been involved in several different projects that are tide-dependent and require different monitoring/research skills.

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Associated People Jeremy Miller

It’s been 7 years since we started collecting larval fish and 3 years since our last update (See Team Larval Fish at the Wells Reserve) so it’s time for another look at the wonderful world of larval fish! We’ve had some exciting developments over that time and attended some professional meetings where we have made connections with other researchers working on early life stages of fishes.Sample

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It is NOT about easy answers, shortcuts, or even [usually] a-ha revelations. Why on earth is that great?

Stupid scientists, never sure of anything

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Green Crab Project Update

January 14, 2015 By Amelie Jensen Filed under Article Tags: damariscottagreen crabsresearchwebhannetyarmouth

Associated People Jeremy Miller Kristin Wilson

Back in September we reported on a current research project going on at the reserve — green crab sampling! We now have an update on this project, but first to refresh your memory…

Over the 2014 field season, research staff and interns participated in a green crab abundance study in hopes of getting a better understanding of population dynamics of this invasive species on marshes along the coast of Maine. We used modified eels traps baited with Atlantic herring, deployed two traps at a time per site, left them for 24 hours, and repeated this process eight times between June and October.

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Associated People Kristin Wilson

Group photo of 'blue carbon

WELLS, Maine, December 8, 2014 — Scientists from around New England met at the Wells National Estuarine Research Reserve on December 5 for a workshop focused on “blue carbon” science and policy. For the first time, scientists from throughout the region gathered to share research results, identify gaps in knowledge, and plan future collaborations involving carbon in coastal habitats.

The term “blue carbon” refers to the ability of salt marshes, seagrass meadows, and mangrove forests to take up and store carbon dioxide and other greenhouse gases from the atmosphere. Coastal wetlands capture carbon and store it at rates even greater than rainforests.

“Carbon held naturally in coastal wetlands is not entering the atmosphere as a greenhouse gas, so these habitats have real potential to mitigate climate change,” said Dr. Kristin Wilson, Wells Reserve research director, who co-coordinated the workshop.

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New England Estuarine Research Society Fall 2014 Meeting

October 21, 2014 By Amelie Jensen Filed under Article Tags: neersresearch

Associated People Chris Feurt Kristin Wilson

On October 16, Research Director Kristin Wilson, Research Assistant Amelie Jensen and University of New Hampshire TIDES Student Sydney Nick traveled to the University of Connecticut’s Avery Point Campus to attend the New England Estuarine Research Society Fall Meeting. This semi-annual meeting consisted of oral presentations, poster presentations, and plenty of opportunities to mingle and socialize with the other attendees ranging from scientists to professors, students, and NOAA officials.

Sydney Nick, Chris Feurt, Kristin Wilson, Amelie Jensen pose at NEERS

Sydney Nick, Dr. Christine Feurt, Dr. Kristin Wilson, and me at the NEERS meeting.

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How to Catch 5,000 Green Crabs

September 11, 2014 By Amelie Jensen Filed under Article Tags: green crabsresearchsalt marshwebhannet

Associated People Kristin Wilson Jacob Aman Jeremy Miller

Measuring a green crabThe invasive European green crab is not only a popular topic in the media these days; here at the reserve green crabs are receiving their fair share of attention as well — 5,878 of them so far to be exact!

The Wells Reserve has teamed up with the University of Maine, Casco Bay Estuary Partnership, and Southern Maine Health Care to study the impacts of the invasive European green crab (Carcinus maenas) on the geology and “stability” of our marshes. Over the summer we have been collecting abundance data that will later be used in conjunction with fyke net data, water quality data, and even geological techniques to better understand the effects green crabs are having on salt marshes throughout southern Maine.

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2014 Blue Carbon Workshop

September 1, 2014 By Kristin Wilson Filed under Project Tags: blue carboncarbonpolicyresearchsalt marsh


Create a U.S./Canada working group, identify research gaps, and establish a regional approach to blue carbon science and policy.

Project Period



Blue Carbon workshop logoHold workshop "Blue is the New Green: Valuing Carbon Storage to Understand Barriers and Build Bridges to Enhance Salt Marsh and Seagrass Conservation and Management" (December 5, 2014)

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Associated People Kristin Wilson Jacob Aman Jeremy Miller



Management Impact

Address growing disruption of salt marsh ecosystem by invasive crabs.


Set traps for 24 hours every 2 weeks.

SET (UMaine)

Contribute to state Green Crab Task Force

Shown by Blum and Davey to work.

Davey and others 2011.


  • Wells Reserve
  • University of Maine
  • Southern Maine Health Care
  • Casco Bay Estuary Partnership


d to d


  • Maine Outdoor Heritage Fund
  • Maine Sea Grant
  • Casco Bay Estuary Partnership

Resulting Reports


In the News

Dr. Kristin Wilson quoted in Portland Press Herald article "Invasive Green Crabs — Threat to Maine's Clams — Dwindle" on September 15, 2014

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Associated People Kristin Wilson

There has been a lot of buzz in the news lately about the impacts of the European Green Crab (Carcinus maenes) on the ecology and stability of New England salt marshes and the plants and animals that live there. One issue in particular is the effect of green crab predation on soft-shell clams (Mya arenaria) in the early stages of their development.

Dr. Brian Beal on a mud flatIf you've been following any of those stories the name Brian Beal should ring a bell. Dr. Beal is the director of research at the Downeast Institute and professor of marine ecology at the University of Maine at Machias. He has been working with soft-shell clams for years and is one of the leading scientists looking at the impacts of green crabs on soft-shell clam populations.

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May 17, 2014 By Nik Charov Filed under Article Tags: early childhoodeducationnature studyresearchtwo worldswellness

This boy was checked for ticks immediately following this photo. Eternal vigilance is the price of freedom... from ticks!

The following was published in the Biddeford-Saco Journal Tribune Sunday edition, 5/18/2014.

Hey, parents! Psst – come over here. I’ve got something for ya. Something I think you’re gonna like.

What if I told you I had something that supercharged your kids’ test scores and GPA, made them more attentive and cooperative, improved “good” cholesterol and blood circulation, lowered obesity and stress? How much would that be worth to you? What would you pay for this wonder drug? $100? $1,000?

Well, it’s not for sale. Actually, it’s free, it’s legal, and you’ve already got plenty at home.

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The Sounds of Place

May 6, 2014 By Eileen Willard Filed under Article Tags: acousticspurdue universityresearchsoundscape

Purdue University ecological acoustics research team on a cool, damp, May dayLast week we set up acoustical equipment in 12 locations throughout the reserve, typically about 40 feet off the trails. The equipment will create an ecological soundscape of habitats… mapping sounds of animals and other living things (biophony), sounds coming from wind in the trees, rain, and the ocean (geophony), and sounds of jet planes, people talking, trains, gunshots, and lawnmowers (anthrophony). Together, these recordings will help describe our environment over time… who is there, who is missing, what is disturbed, what has changed.

Will these soundscapes reveal habitats of vitality or quiet? What changes happen over time? Is the food web diminishing or increasing with new animals, returning animals? Are the sounds different from year to year, day to day, month to month, season to season?

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Associated People Jacob Aman Timothy Dubay Kristin Wilson

asdfIn his recent post, Spreading the Fish Ladder News, Jake mentioned our imminent use of passive integrated transponders, or PIT tags, to track fish. But just what is a PIT tag and exactly how does it work?

A passive integrated transponder is a miniature electronic circuit typically encased in glass and implanted under an animal's skin or in a body cavity (the fish tags we'll use are thin and just 12mm long). Each tag is programmed with a unique number to identify an individual animal. That number is read automatically when the animal travels close to a receiving station.

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Jarad HomolaLast week, UMaine Ph.D. candidate Jared Homola and postdoctoral fellow Dr. Krista Capps visited three vernal pools at the reserve as part of Jared's research into how urbanization affects vernal pools and influences the organisms within them. He is especially interested in how abrupt climate change can impact the persistence of ecologically important species and the genetic basis for the ecosystem services they provide.

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Associated People Tin Smith


Develop a disaster response plan for the Wells Reserve and surrounding watersheds that complements and coordinates with local and county efforts and that will serve as a model for other natural resource organizations and agencies.

Bridge washout on Skinner Mill Road due to 2006 Mother's Day stormWhy Do This Project?

The Julie N oil spill in Portland Harbor (1996), Mother's Day storm (2006), and Patriot's Day storm (2007) caused extensive environmental and infrastructure damage to the coastal areas of southwest Maine. More recently this region was narrowly spared the great devastation caused by Hurricanes Irene (2011) and Sandy (2012). These events have reinforced that:

  • the occurrence of natural and man-made disasters is unpredictable
  • a lack of preparation can result in a slower and less efficient response
  • resilience of natural resources and man-made infrastructure to disasters can be "built in" in advance to some degree

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Associated People Jacob Aman Kristin Wilson Tin Smith

KKWWD Dam and Fish LadderThis month customers of the Kennebunk, Kennebunkport, and Wells Water District (KKWWD) got some news about the upgrades and repairs to the fish ladder on Branch Brook in the Winter 2014 Newsletter. Chief Plant Operator Greg Pargellis provided a nice write-up on a really positive collaboration with the Wells Reserve to bring the fish ladder back on line.

This isn't the first time that the fish ladder has been in a KKWWD report. In the 1954 Trustees Report (see pg. 14), the Water District mentions plans to increase the height of the dam by 2 feet and to build a fish ladder which was ordered by the Maine Department of Fish and Game.

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For the last 6 years, myself and a group of trained citizen scientist have been monitoring marine invasive species on docks, rocky shores, and tide pools as part of the Marine Invader Monitoring and Information Collaborative, or MIMIC.

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The following was published in the Biddeford-Saco Journal Tribune Sunday edition, 10/20/13:

So, what do you believe?

Quick quiz: which of the following have the backing of “scientific consensus”? Violent video games make kids more violent. Sugar makes them more hyper. Carbs make us fat. Vaccines are linked to autism.

Answer: none of the above. Science says so; look them up.

The bigger question: do we trust science?

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To measure the success of several tidal wetland restoration projects around the country.

Project Period

2008 to 2012

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Sandy by the numbers

October 31, 2012 By Jeremy Miller Filed under Article Tags: monitoringresearchswmpweather

Hi Everyone,

Thought I would share some numbers from our System Wide Monitoring Program (SWMP) weather station here at the Reserve, and compare them to some values from around the area. First off, it seems we got "lucky" with rain fall totals. Both the Reserve station and the Portland International Jetport weather station reported just over an inch of rain on Tuesday. However rainfall totals varied a bit depending on where those "bands" of precipitation hit… pretty minor event as far as actual rainfall goes, but when that rain is being blown sideways at close to 60mph. Speaking of wind…

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Brook Trout: Looking for Love

October 2, 2012 By Clancy Brown Filed under Article Tags: branch brookbrook troutconservationfaunafishmerriland riverresearch

Associated People Jacob Aman Tin Smith Alex van Boer

It’s that time of year… fall is in the air and (if you’re a brook trout) love is in the air too! October and November is prime spawning time for Eastern Brook Trout. They’ve been fattening up all summer on aquatic insects. Now the mature females have bellies full of eggs and are looking for a spots with cold, clear water and loose, clean gravel where they can make their nests, called redds.

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Associated People Michele Dionne Paul Dest

WELLS, Maine, October 1, 2012 — The Wells National Estuarine Research Reserve and Laudholm Trust have honored the late Dr. Michele Dionne, the reserve’s lead scientist and long-time research director, by placing her name on the research laboratory of the Maine Coastal Ecology Center at the Wells Reserve at Laudholm. The announcement was made by Laudholm Trustee Cynthia Daley and Reserve Director Paul Dest at a memorial service held at the reserve on September 23.

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Associated People Jennifer Dijkstra Michele Dionne Megan Tyrrell

Dr. Jennifer Dijkstra measures a snail with calipers.Jennifer Dijkstra was always going to be a scientist. As a child summering on Grand Manan, she clambered over the island’s rocky shoreline grabbing fistfuls of seaweed and peering into shallow waters to spy on crabs and snails. This summer she’s been doing the same thing, but with three degrees of separation (BS, MS, and PhD), she now calls her objects of interest Ascophyllum, Carcinus, and Littorina.

For many budding biologists, the journey from tide pool playground to salt marsh research transect stops short. For Dr. Dijkstra, research scientist at the Wells Reserve, the dream came true.

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Associated People Jennifer Dijkstra Michele Dionne

Since her arrival at the Wells Reserve at Laudholm in 2008, research scientist Dr. Jennifer Dijkstra has followed two main lines of inquiry. In addition to investigating seaweed, crab, and snail interactions in the salt marsh, she has also looked into how climate change may affect mercury accumulation in coastal food webs.

When Jenn started her post-doctoral fellowship, research director Michele Dionne asked her to work on mercury. "It was a little daunting," Jenn admits. "I had never worked on contaminants, and mercury is not a straightforward contaminant."

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Why Did the Fish Cross the Road?

August 28, 2012 By Clancy Brown Filed under Article Tags: branch brookculvertkennebunk rivermerriland riverresearch

Associated People Jacob Aman Susan Bickford Tin Smith Alex van Boer

Back in July, Wells Reserve staff and interns teamed up with volunteers from the Sebago Chapter of Trout Unlimited and bravely struck out on an ambitious survey of road-stream crossings in the Kennebunk River, Merriland River, and Branch Brook. The teams worked hard and surveyed an amazing 81 road-stream crossings in only three days!

Perched culvertI led one of the survey teams and let me tell you, that data was hard-earned! Once we had located a crossing, we had to battle thick brush, mud, poison ivy and steep slopes of riprap to reach the stream. To measure the length of a crossing, we sometimes had to crawl through a culvert from one end to the other, dodging spider webs along the way. Besides being a fun excuse to go crashing through woods and splashing through rivers, this survey was an important way to gather data that will be used by town planners, landowners, conservation groups, and other stakeholders to reconnect stream habitat in these watersheds.

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Team Larval Fish at the Wells Reserve

July 2, 2012 By Alex van Boer Filed under Article Tags: codfaunafishingflounderlarval fishmonitoringresearch

Associated People Timothy Dubay Jeremy Miller

Fellow Research Intern Tim Dubay and I have been working with Jeremy Miller this summer to expand the Wells Reserve’s ongoing larval fish (ichthyoplankton) project in the Webhannet estuary. The Wells Reserve has been monitoring larval fish since 2008 (see Fish larvae under the microscope) and I am excited to be a member of Team Larval Fish!

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Associated People Tin Smith

The Shoreys Brook dam came out in November 2011, and since then the brook has been steadily carving its way through the sediment that has collected for over a century in the impoundment. Vegetation is starting to take hold in places, but it will be a few years before it begins to look like anything but a large mud pit. As old sediment flushes away, older substrates begin to emerge along the stream bottom, showing signs of what the brook once looked like. Gravel, cobble stones, and even boulders can now be seen littering the stream, which is a positive sign for the restoration team. Rainbow smelt are looking for just this type of stream bottom to lay their eggs on in the early spring.

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A wet start to June!

June 6, 2012 By Jeremy Miller Filed under Article Tags: monitoringresearchswmpwater qualityweather

We saw a cold and wet start to the month of June here in Southern Maine. I thought I would share some SWMP data from a few of our stations to illustrate how weather can significantly impact the water quality of our estuaries

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Life after the Wells Reserve: An Americorps Member Update

May 4, 2012 By Emily Thornton Filed under Article Tags: americorpsfishingresearch

Associated People Jacob Aman

Emily Thornton, MCC AmericorpsI cannot believe it’s been six months since I left the Wells Reserve at the end of my MCC term. Last November, having spent the summer and fall gaining valuable field experience, I headed home to pursue my next career goal: admission to graduate school. It was a daunting but surprisingly natural transition, as my experiences at the Reserve prepared me well for this next phase.

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In the summer of 2009, Marissa Hammond came to us as a wide-eyed UNE freshman with little experience in research science. She has since blossomed into a NOAA scholarship award winner who has been accepted into a highly respected graduate program in fisheries management and policy. Here is what she had to say about how the Wells Reserve played a part in that journey…

marissaI am currently a senior at the University of New England, where I’m pursuing a degree in Marine Biology and Environmental Studies. I was fortunate enough to have the opportunity to intern at the Wells Reserve studying larval and juvenile fish in the Webhannet Estuary.

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Associated People Jacob Aman


Determine the presence or absence of diadromous rainbow smelt and appropriate habitat within the restored area of Shoreys Brook

Project Period

March and April 2012

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Associated People Jacob Aman Timothy Dubay Jeremy Miller Kate Reichert Tin Smith

On a classic October morning, a research team heads to the Eliot–South Berwick line, where a private landowner has opened his property for a Wells Reserve study of fish and fish habitat. Parking the pickup at the end of a long hayfield, the five gather up gear and step into a middle-aged pine-oak forest, then head downslope past ferns and toppled trees till the trail goes wet underfoot, the canopy breaks, and they stand at the edge of Shoreys Brook. This is headquarters for the next few hours. It is one of eight sites along the brook’s 4.3 miles being surveyed for resident and migratory fish, and their habitat, in advance of a planned dam removal downstream.

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Associated People Darcie Ritch

I am on board the EPA Ocean Survey Vessel BOLD, with the opportunity to do ichthyoplankton (larval fish) monitoring at sea to supplement the nearly weekly ichthyoplankton tows my fellow intern Amanda has been doing this summer at Wells Harbor.  We are interested in comparing the types of larval fish that are present a little way out to sea with those present in the harbor. Darcie Ritch, another summer intern who is working on her master’s degree at Antioch New England, is hoping to use the larval fish data I’m helping to collect on this trip in her masters project. Here is one of the first creatures we caught, a tiny lobster.

Juvenile lobster

The EPA’s OSV BOLD is dedicated to environmental research at sea.  This specific trip goes from Boston to Casco Bay and back, and is focused on collecting water samples to help establish nutrient limits (the maximum quantities of nitrates and phosphates in the water that will still allow healthy animal and plant life and clean water for fishing, kayaking, and other uses) for coastal waters.

To learn more about the OSV BOLD, and to see more photos and some videos of research at sea, check out!

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Mousam and Kennebunk Rivers Alliance

July 25, 2011 By Emily Thornton Filed under Article Tags: fishingkennebunk rivermousamresearch

Associated People Jacob Aman

Just one of many projects underway in the research department at the Wells Reserve this summer is the environmental monitoring of the Mousam and Kennebunk Rivers in support of an ongoing initiative, the Mousam & Kennebunk Rivers Alliance (MKRA).

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Insect trap set in barberryIn the past couple of weeks, it's been hard not to notice the bright yellow plastic cards that have appeared in clumps of vegetation. Yesterday, I caught up with the guy who has been hanging and collecting them, field research entomologist Phil Stack. He filled me in; they are traps for catching fruit flies.

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Marine InvasivesThe Marine Invader Monitoring and Information Collaborative (MIMIC) is a network of trained volunteers, scientists, and state and federal workers who monitor marine invasive species along the Gulf of Maine. The collaborative provides an opportunity for the general public to actively participate in an invasive species early detection network, identify new invaders before they spread out of control, and help improve our understanding of the behavior of established invaders. More than 100 volunteers are monitoring 38 sites in Rhode Island, Massachusetts, New Hampshire, and Maine.

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Associated People Megan Tyrrell Michele Dionne

Project Summary

Researchers manipulated densities of the invasive snail Littorina littorea at two sites, one in the Little River estuary and another in the Webhannet River estuary, to investigate the effect of grazing on plant production and sediment accumulation. They found that under more stressful conditions for saltmarsh cordgrass (Spartina alterniflora) – poor drainage or greater flooding, for example – the impact of snail grazing on biomass becomes apparent: Where snails eat cordgrass faster than it can grow back, less cordgrass is available to capture sediment and the marsh surface does not build up as quickly. In contrast, the impact of snails is not significant under more favorable conditions for cordgrass.

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Project Description

Red tide — the proliferation of several toxic algal species — has been affecting fish and shellfish fisheries in Maine for decades. People who eat clams or other organisms exposed to toxic algal blooms can suffer from amnesic or paralytic shellfish poisoning, conditions with symptoms such as short term memory loss, vomiting, disorientation, paralysis, and sometimes death. Early detection of harmful algal blooms is critical for protecting fisheries, resources, and public health in Maine and worldwide.

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One fish, two fish… is that really a bluefish?

August 4, 2008 By Hannah Wilhelm Filed under Article Tags: faunafishresearch

Associated People Michele Dionne

Juvenile bluefishMichele Dionne, Director of Research at the Reserve, has an ongoing collaboration with Dr. Celia Chen at Dartmouth College to study how mercury moves through the salt marsh system. When some of her lab crew headed out to catch Atlantic silversides to be tested for mercury content, we got some of these small fish instead, which we originally thought must be herring.

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Associated People Michele Dionne Jeremy Miller Jennifer Dijkstra

Marine invasives rapid assessment team at work in Wells HarborLast Friday a science team marched to Wells Harbor and began a rapid assessment of marine invertebrates on and around the dock. The taxonomic specialists from MIT, Sea Grant, and the Massachusetts Coastal Zone Management Program were joined by Reserve research director Michele Dionne and associate Jeremy Miller, who facilitated the Wells Harbor survey.

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What's that Word: Eutrophication

July 13, 2006 By Sarah Tuttle Filed under Article Tags: eutrophicationpollutionresearchstormwaterwater

Danger seeps from your garden.

Fertilizer causes tomatoes to ripen larger and plants to grow taller. But applying more than your plants need can have a devastating effect.

The rain washes your excess fertilizer, either manure or chemical, down the road and into the nearest water source. There, it mixes with water traveling from other gardens, farms, and power plants to create a stream of nitrogen and phosphorus. The stream pours directly into the marsh.

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Associated People Michele Dionne Cayce Dalton

The Wells Reserve is collaborating with NOAA’s National Centers for Coastal Ocean Science (NCCOS) to determine the extent of eutrophication in five northeastern reserves.

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Fair or foul?

December 20, 2005 By Scott Richardson Filed under Article Tags: fouling organismsinvasive speciesresearch

Associated People Megan Tyrrell

Here's a question:
Do artificial substrates favor non-indigenous fouling species over natives?

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Sea level rise redux: Using what we know

July 1, 2002 By Michele Dionne Filed under Article Tags: bufferciceetresearchsalt marshsea level risesubsidencewatermark

It is probably a rare coastal beachfront property owner who is not aware that beaches are dynamic systems that erode and accrete in response to storms, sediment supply, rising sea level, and the proximity of sea walls, jetties, and other forms of coastal "armor." Many beachfront owners are also aware that "natural" barrier beaches and their dune systems are able to persist in the face of sea level rise by transgressing, or migrating shoreward.

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