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Pollution

This category contains 85 posts

Living Life to the Fullest: Enzyme Activity of Two African Mussel Species

Every day, our body performs a plethora of activities. We breathe, exercise, eat food, think, and socialize. Behind all of these processes is a legion of very small molecular machines at work. These little machines, called proteins, can be greatly affected by the health of their environment. How do they change in response to pollution? […]

Can Green Algae Capture Microplastics in the Great Lakes?

Microplastics (specifically microfibers) can adhere to the cell walls of the green algae Cladophora, potentially removing them from the water. Hannah CollinsI’m a second year Masters student in Oceanography at the University of Connecticut, Avery Point. My current research interests involve microplastics and their effects on marine suspension feeding bivalves, and biological solutions to the […]

A lined seahorse.

Ch-Ch-Ch-Changes in Seahorse Hormones

While we already know that plastics are harmful to the environment, do you ever really think about how they can cause negative impacts? Not just by their physical presence like microplastics, but when the plastics start to breakdown and chemicals get released into the environment. Would you believe that the single-use plastic water bottle that […]

The Otter Guys: How heavy metal pollution affects Alaskan northern sea otters

Most pollution is clearly visible in nature, but some types are very subtle. In the case of heavy metal pollution, its effects are nearly invisible, mostly causing harm to the internal organs of animals at the top of marine food chains. How does this pollution affect endangered otter populations, and is it a cause for […]

Oxygen Minimum Zones: Should we be worried?

Reviews and syntheses: Present, past, and future of the oxygen minimum zone in the northern Indian Ocean It is no secret that oxygen is essential for most life forms, but there are certain areas in the oceans where there is little oxygen. In their recent research, Dr. Rixen from the Leibniz Centre for Tropical Marine […]

Catching a ride on plastic: how dangerous bacteria might travel across oceans

Plastic is abundant in the ocean ecosystem. Not only is it harmful to marine animals, but as scientists discovered, it also transports disease-causing bacteria around the ocean. How can the plastic debris in the ocean spread sickness? Diana FontaineI am a PhD student in the Rynearson Lab studying Biological Oceanography at the Graduate School of […]

Tiny Human-Engineered Particles Damages Marine Life

Nanoparticles exist everywhere in our lives – on the fabric of your clothing, the makeup you wear, the display of your TV screen and your car batteries. But when these human-engineered nanoparticles enter the ocean, they can be toxic to ocean life. Jiwoon ParkI am a PhD student in chemical oceanography at University of Washington. […]

‘Out of Sight’ Can’t Mean ‘Out of Mind’

Surface marine debris and microplastic pollution has received more attention recently—which is great—but there’s another garbage problem we are only starting to understand. Deep in the dark, discarded items litter the sea floor, like dust-bunnies swept along by currents and are collecting at rates previously underestimated. Click here to read more! Andrea SchlunkI am a […]

Do pesticides negatively affect moon jellyfish?

Do pesticides negatively affect the polyp life stage of moon jellies? Evidence suggests no, at least for tested pesticides. Hannah CollinsI’m a second year Masters student in Oceanography at the University of Connecticut, Avery Point. My current research interests involve microplastics and their effects on marine suspension feeding bivalves, and biological solutions to the issue […]

Examples_of_different_types_of_microplastics

Plastics and Colors and Fish, Oh My!

Have you ever wondered what happens to the garbage that ends up in the ocean? Or about what just might eat this garbage thinking it might have been food? That what the scientists in this study looked at in Brazil. These scientists looked at the gut contents of several fish to see what they ate. […]

Human mercury pollution found at the deepest ocean

For many decades, humans have been putting mercury into the ocean, contaminating big fish like tuna and swordfish. But we haven’t fully realized how deep human-produced mercury could move down the ocean until now – and now scientist have found mercury pollution at the deepest parts of the ocean. Jiwoon ParkI am a PhD student […]

The plight of the mangrove

Celine E.J. van Bijsterveldt, Bregje K. van Wesenbeeck, Sri Ramadhani, Olivier V. Raven, Fleur E. van Gool, Rudhi Pribadi, Tjeerd J. Bouma, Does plastic waste kill mangroves? A field experiment to assess the impact of macro plastics on mangrove growth, stress response and survival, Science of The Total Environment, 2020, 143826, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2020.143826.   […]

Mercurial fish: Climate change and temperature could change how much mercury you’re eating

Dr. Amina Schartup’s research focuses on many important issues to both marine and human health, including methylmercury concentration in fish. Read on to learn more about Dr. Schartup’s research. Samantha SettaI’m a PhD student in the Rynearson Lab at the University of Rhode Island (URI) Graduate School of Oceanography (GSO). My research interests are focused […]

Don’t get ~tide~ down: Are biodegradable nets a good solution to the ghost fishing problem?

Biodegradable nets are a potential solution to the ghost fishing problem-or the phenomenon of lost fishing nets still catching animals. However, are they as efficient as conventional plastic polymer nets? Hannah CollinsI’m a second year Masters student in Oceanography at the University of Connecticut, Avery Point. My current research interests involve microplastics and their effects […]

Smog can be a Bog: A Story about Iron in the Air and Ocean

Have you ever wondered where smog goes? A group of scientists investigated where particles of iron start and end up, and what they found out is quite interesting! Daniel SpeerHey! I’m a PhD student at the University of California, Davis studying biophysics. I previously studied organic chemistry (B.S.) at the College of William and Mary. […]

Cold Water Conundrum: How does unusually cold water affect fish growth?

With the threat of climate change ever present, many of us focus on the negative effects of unusually warm water on fish species. But, can abnormally cold water also hurt fishes, and can it hurt different fishes in different ways? Francesca GiammonaI am a PhD candidate at Wake Forest University, and I received a B.S. […]

Can Pacific Oysters handle a bit of microplastics in the lab? Shuck yeah!

Filter feeding animals like oysters can be exposed to small plastic particles, called microplastics, as they filter food out of the water. In this study microplastics apparently had no health effects on oysters, but is that the whole story? Hannah CollinsI’m a second year Masters student in Oceanography at the University of Connecticut, Avery Point. […]

Microplastics, Canned Fish, and You: How plastic pollution may play a role in your next lunch

Did you know that many plastic items can shed tiny particles called microplastics? These microplastics are present everywhere in our environment, from the sea to the air. But how prevalent are they, and do they pose harm to humans? Researchers attempted to answer this question by studying a common food item – canned fish. Francesca […]

Life in Plastic: 14 Million Tonnes of Microplastics Likely on Sea Floor

The deep-sea floor has always fascinated scientists and ocean lovers alike with its mystery and wonder. For the first time ever, scientists have estimated the amount of human-made plastics on the seafloor, and it will shock you. Elena GadoutsisI have always been happiest in nature – exploring forests, traveling to the ocean, or working with […]

Ocean plastic pollution damages bacteria that help us breathe

Every minute, we are dumping a garbage truckload of plastic litter into the ocean. Plastic pollution in the ocean are threatening not only millions of marine animals (whales, sharks, turtles and birds), but also marine plants. Toxic materials from plastic are affecting the ability of marine plants to produce oxygen that we breath. Jiwoon ParkI […]

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  • by oceanbites 3 weeks ago
    Not all outdoor science is fieldwork. Some of the best days in the lab can be setting up experiments, especially when you get to do it outdoors. It’s an exciting mix of problem solving, precision, preparation, and teamwork. Here is
  • by oceanbites 1 month ago
    Being on a research cruise is a unique experience with the open water, 12-hour working shifts, and close quarters, but there are some familiar practices too. Here Diana is filtering seawater to gather chlorophyll for analysis, the same process on
  • by oceanbites 3 months ago
    This week for  #WriterWednesday  on  #oceanbites  we are featuring Hannah Collins  @hannahh_irene  Hannah works with marine suspension feeding bivalves and microplastics, investigating whether ingesting microplastics causes changes to the gut microbial community or gut tissues. She hopes to keep working
  • by oceanbites 3 months ago
    Leveling up - did you know that crabs have a larval phase? These are both porcelain crabs, but the one on the right is the earlier stage. It’s massive spine makes it both difficult to eat and quite conspicuous in
  • by oceanbites 3 months ago
    This week for  #WriterWednesday  on  #Oceanbites  we are featuring Cierra Braga. Cierra works ultraviolet c (UVC) to discover how this light can be used to combat biofouling, or the growth of living things, on the hulls of ships. Here, you
  • by oceanbites 3 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Elena Gadoutsis  @haysailor  These photos feature her “favorite marine research so far: From surveying tropical coral reefs, photographing dolphins and whales, and growing my own algae to expose it to different
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  on Oceanbites we are featuring Eliza Oldach. According to Ellie, “I study coastal communities, and try to understand the policies and decisions and interactions and adaptations that communities use to navigate an ever-changing world. Most of
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Jiwoon Park with a little photographic help from Ryan Tabata at the University of Hawaii. When asked about her research, Jiwoon wrote “Just like we need vitamins and minerals to stay
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  on  #Oceanbites  we are featuring  @riley_henning  According to Riley, ”I am interested in studying small things that make a big impact in the ocean. Right now for my master's research at the University of San Diego,
  • by oceanbites 5 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Gabby Stedman. Gabby is interested in interested in understanding how many species of small-bodied animals there are in the deep-sea and where they live so we can better protect them from
  • by oceanbites 5 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Shawn Wang! Shawn is “an oceanographer that studies ocean conditions of the past. I use everything from microfossils to complex computer models to understand how climate has changed in the past
  • by oceanbites 5 months ago
    Today we are highlighting some of our awesome new authors for  #WriterWednesday  Today we have Daniel Speer! He says, “I am driven to investigate the interface of biology, chemistry, and physics, asking questions about how organisms or biological systems respond
  • by oceanbites 6 months ago
    Here at Oceanbites we love long-term datasets. So much happens in the ocean that sometimes it can be hard to tell if a trend is a part of a natural cycle or actually an anomaly, but as we gather more
  • by oceanbites 6 months ago
    Have you ever seen a lobster molt? Because lobsters have exoskeletons, every time they grow they have to climb out of their old shell, leaving them soft and vulnerable for a few days until their new shell hardens. Young, small
  • by oceanbites 7 months ago
    A lot of zooplankton are translucent, making it much easier to hide from predators. This juvenile mantis shrimp was almost impossible to spot floating in the water, but under a dissecting scope it’s features really come into view. See the
  • by oceanbites 7 months ago
    This is a clump of Dead Man’s Fingers, scientific name Codium fragile. It’s native to the Pacific Ocean and is invasive where I found it on the east coast of the US. It’s a bit velvety, and the coolest thing
  • by oceanbites 8 months ago
    You’ve probably heard of jellyfish, but have you heard of salps? These gelatinous sea creatures band together to form long chains, but they can also fall apart and will wash up onshore like tiny gemstones that squish. Have you seen
  • by oceanbites 8 months ago
    Check out what’s happening on a cool summer research cruise! On the  #neslter  summer transect cruise, we deployed a tow sled called the In Situ Icthyoplankton Imaging System. This can take pictures of gelatinous zooplankton (like jellyfish) that would be
  • by oceanbites 9 months ago
    Did you know horseshoe crabs have more than just two eyes? In these juveniles you can see another set in the middle of the shell. Check out our website to learn about some awesome horseshoe crab research.  #oceanbites   #plankton   #horseshoecrabs 
  • by oceanbites 9 months ago
    Feeling a bit flattened by the week? So are these summer flounder larvae. Fun fact: flounder larvae start out with their eyes set like normal fish, but as they grow one of their eyes migrates to meet the other and
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