Protecting and Restoring the Morro Bay Estuary.
eelgrass

Field Updates February 2020: Creek and Eelgrass

Creek Water Quality February was a month marked with warm temperatures and low precipitation here in the Morro Bay watershed. In February 2019, the San Luis Obispo CIMIS rain gauge received 7.48 inches of rain, with 57% of days during the month recording rainfall. Comparatively, this year’s rainfall has been much lower, with a February monthly total of 0.01 inches of rain and only one day with rainfall as of February 28. Low precipitation levels have led to low flows in our creeks, as can be seen in this picture of Dairy Creek, a tributary of Chorro Creek. The amount …

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Field Updates January 2020: Eelgrass Success and Creek Water Quality

This month, our field staff have been busy monitoring eelgrass success in the bay and water quality in the creeks that drain to the Morro Bay estuary. Eelgrass monitoring and restoration success If you spent time out on the bay in January, you might have noticed the really high tides. January 2020 had King Tides, meaning that the high tides were much higher than normal. These extreme high tides are mirrored by extreme low tides. We always take advantage of these extreme low tides to monitor eelgrass, as we have a wider window than normal to conduct our monitoring. Eelgrass …

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Updates from the Field, December 2019: wildlife, staff changes, and restoration

Morro Bay estuary with bat ray pits, Morro Bay National Estuary Program

    Wildlife observations The fall is a great time for observing invertebrates along the mudflat in Morro Bay, and lucky for us, we are out monitoring eelgrass every fall. This often leaves us wondering, “What is this?!”, but sometimes we find the answers while monitoring eelgrass health. For example, we have been seeing a number of egg masses such as this one, tucked away on blades of eelgrass. Considering the diverse array of organisms that utilize eelgrass as habitat, we were left wondering which creature had been laying the eggs. Sometimes though, you wander along the right part of …

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Your Top Blog Posts of 2019

  During 2019, you tuned in to the Estuary Program blog to follow field work projects, to learn about local wildlife, to track the health of the bay, and to see how you can help the estuary and watershed. Today, we’re sharing the posts readers visited most often this year across these four categories. If you haven’t read them yet, now’s a great time to catch up! Top Field Work Post Field Updates February 2019: Wet weather, Eelgrass Restoration, and Creek Monitoring This post shares rainfall totals, details the process of sediment sampling and analysis that we use, and explains …

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Field Updates November 2019: Eelgrass, wildlife sightings, weather

    November was a busy month for our field staff. Mapping eelgrass and algae The Estuary Program has been mapping submerged vegetation, such as eelgrass and algae, for more than fifteen years. This is done by having a plane fly over the bay taking a series of images, including a multispectral image. We try to repeat this survey about every other year, with 2019 being an eelgrass flight year. Multispectral imagery Multispectral imagery is produced by sensors that measure the reflected energy within several bands of the electromagnetic signature, usually capturing light not visible to our eyes. You can …

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Field Updates, October 2019: Eelgrass Mapping, Ground-truthing, and Cal Poly Partnerships

Andi, eelgrass technician.

  Eelgrass fieldwork depends on tides Fall is a busy eelgrass season for field staff at the Estuary Program. The exact timing of our field work depends on when the good low-tides occur, which varies slightly from year to year. This year, October had a few days that had tides low enough to expose the eelgrass during daylight hours. This doesn’t always happen—sometimes the low tides we need happen after sundown and before sunrise. We were glad to see good tides in combination with good timing because we have a few different projects going on. Monitoring permanent eelgrass plots First …

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Field Updates September, 2019: Stream Profiling and Bay Monitoring

  Fall is in full effect here on the Central Coast, and we are enjoying the crisp mornings and clear days that go along with it. Fall is typically the slowest time of year for fieldwork so we are mostly catching up on activities back here at the office and planning upcoming projects, but that’s not to say we haven’t been out in the field this month. Thank you, cleanup volunteers! We hope some of you got out this month for Creeks to Coast Cleanup Day, where nearly 2,000 wonderful volunteers picked up about 11,500 pounds of trash from our …

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Cuesta College dives in to help study eelgrass declines in Morro Bay

    A guest post by Dauphiene Parks During June 2019, a group of fourteen spirited Cuesta College Marine Microbiology students came together under the kind and careful guidance of professors Laurie McConnico and Silvio Favoreto. The mission was to explore the Morro Bay Estuary and examine the local eelgrass population. We quickly learned that 97% of the eelgrass in the Morro Bay Estuary has been lost, and that eelgrass habitats can provide an estimated $87,000 in ecosystem services annually. We were excited to be a part of this class that allowed us to earn college credit and work on a …

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Field Updates, June & July 2019: Creeks, Road Restoration, Eelgrass

Shows a volunteer conducting water quality monitoring

  With summer in full swing, field staff at the Morro Bay National Estuary Program have greatly appreciated the long days. As always, we have been busy out in the field, collecting data from the watershed. Here are some of the things we’ve been up to recently. Creeks Our ongoing monitoring effort of the two subwatersheds, Chorro Creek and Los Osos Creek, that drain into Morro Bay allow long term trends to be established and we can see if current conditions vary from historical patterns. Chorro Creek is the main creek in our watershed, draining about 60% of the total …

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Field updates April & May 2019: Monitoring Eelgrass and Creek Health

Two members from the Watershed Stewards Program lay out eelgrass blades on a white board for counting and photographing.

    Fieldwork season is in full swing now for us here at the Morro Bay National Estuary Program, and we have been busy hiking around the creeks and estuary to continue monitoring our local watershed. In April and May, we monitored eelgrass and conducted bioassessment monitoring to help us see how healthy our creeks are. Eelgrass monitoring Eelgrass monitoring continues as usual when the tides are low enough to let us collect data. This past month, there was a good window spanning multiple days where we were able to monitor for a couple hours each day to check on …

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