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Tag: eutrophication

Diatoms as Indicators

October 26, 2016 Christine Sellers Education, Environmental Science, Featured, Ichthyology, People, Photoblog

New data produces interesting findings.

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The oldest natural history museum in North America. Open Fri- Sun, 10 a.m. - 5 p.m. Reserving tickets online encouraged.

Happy #NationalFossilDay! We're celebrating Paleop

Happy #NationalFossilDay! We're celebrating Paleoplaooza with nine days of virtual activities starting on October 17. Join us for drinks with paleontologists, T. rex crafts, a virtual fossil field trip, dinosaur story times and more! Visit the link in bio for more details.

Drexel has long observed Columbus Day, a national

Drexel has long observed Columbus Day, a national holiday that celebrates the anniversary of Christopher Columbus’ arrival in the Americas on October 12, 1492. But the University acknowledges that the historical framing that Columbus “discovered” America erases the first inhabitants of this land – the Native people whose land was stolen and whose populations were decimated by the European colonizers led by Columbus and others.

The Academy of Natural Sciences of Drexel University acknowledges that we are located on Lenni – Lenape land. We have a responsibility to our natural world and the land upon which we work, and that means critically reflecting on our history and illuminating the stories and knowledge of Indigenous communities and their cultures.

For our staff and friends who identify as Indigenous, we see you and celebrate you. Visit the link in bio to read a blog post from the National Museum of the American Indian that explains the importance of shifting the focus of this day from Columbus Day to Indigenous Peoples' Day. Please visit our stories today to explore more resources for insight into the Lenape, the land where you live and the impact of Indigenous communities on conservation, climate and environmental justice movements.

Image: Tribal territories of Delaware tribes, Wikimedia Commons

We just wrapped up our virtual Members' Week! This

Did you know Black Americans are 75% more likely t

Did you know Black Americans are 75% more likely than others to live near facilities that produce hazardous waste and that Indigenous communities are disproportionately exposed to environmental contaminants? We've gathered some resources to help support environmental justice. Click the link in bio to find out more and see what you can do to take action.

Peek-A-Boo! Can you spot the baby in this image? 🔎
A baby gelada will spend the first few weeks of its life being carried around on its mother’s front before moving to her back. Geladas live on the ground and drop down onto ledges in cliff faces for safety when they sleep. Farmland is encroaching on their native grasslands and their habitat is shrinking.
This stunning photoraph was taken by Riccardo Marchegiani in Simien Mountains National Park, Ethiopia and is on display at the Academy as part of the Wildlife Photographer of the Year exhibit. #wpy55

Just another #MolluskMonday! We're still digging m

Just another #MolluskMonday! We're still digging mussels. The freshwater mussels (Unionoidea) form the largest single section of the Academy’s vast collection of roughly 10 million (😲) shells.
📸: Paul Callomon/ANS

Our special exhibit Survival of the Slowest closes

Our special exhibit Survival of the Slowest closes October 25. Don't miss your chance to come meet Lulu the Sloth and all of the other slow animals to learn why sometimes being slow is an advantage! The Academy is open Fridays through Sundays.

Check out the luminous fin rays – or filaments – of a juvenile African pompano. The filaments help the young fish drift in open water, where it feeds on slow-moving crustaceans, small crabs and fish. Its extra-long fins can also help deter predators by imitating the deadly tentacles of jellyfish. As the fish matures, its body will become more elongated and the length of its fin rays will become shorter.
🐟🐟🐟
This stunning image is part of our special exhibit Wildlife Photographer of the Year on view now at the Academy. #wpy55

Wait, is this #MolluskMonday? Yes, it is! These ti

Wait, is this #MolluskMonday? Yes, it is! These tiny specks are baby mussels, raised at the Academy through in vitro methods. Once they grow larger, they will go on to live out their lives in a real freshwater mussel bed.
🔬: Kathryn Longwill/ANS

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