Phytoplankton Guide

This phytoplankton is called Pseudo-nitzschia. It causes harmful algal blooms that are colorless. Image courtesy of the Raphael Kudela Lab UCSC.
This phytoplankton is called Pseudo-nitzschia. It causes harmful algal blooms that are colorless. Image courtesy of the Raphael Kudela Lab UCSC.

This offering is more of a guide than a specific tour. Ever wonder why the ocean isn’t always blue? This phytoplankton guide explains just how many phytoplankton live in the ocean and their influences on ocean water color and other properties. Working with the Kudela Laboratory at the University of California Santa Cruz, we have created this guide which has both general background on phytoplankton, and a detailed phytoplankton identification guide.

Some of the information is highlighted below but the complete scoop on why phytoplankton are cool and important, and the identification guide, can be had by downloading our mobile app, Mobile Ranger Guides.

Phytoplankton unmasked: what makes for greenish brown water characteristic of the Monterey Bay.

Pictures of water taken from the wharf (left and middle) and out in the bay during a red tide (right) caused by Akashiwo. Images courtesy of the Raphael Kudela Lab UCSC.
Pictures of water taken from the wharf (left and middle) and out in the bay during a red tide (right) caused by a phytoplankton called Akashiwo. Images courtesy of the Raphael Kudela Lab/UCSC.

What is a red tide? Are they always harmful to people?

A red tide off La Jolla, California. This red tide is a harmful algal bloom caused by a phytoplankton named Lingulodinium. Image courtesy of the Raphael Kudela Lab UCSC.
A red tide off La Jolla, California. This red tide is a harmful algal bloom caused by a phytoplankton named Lingulodinium. Image courtesy of the Raphael Kudela Lab UCSC.

What color is the water today? Compare it to the chart. Any guesses as to the current major influences on water color today?

Water Color Exhibit.
Water Color Exhibit.

To get the phytoplankton guide simply download our mobile app. You will also get several self-guided mobile tours of the Santa Cruz area and beyond.

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Go to Mobile Ranger Guides in the Apple App Store
Go to Mobile Ranger Guides in the Google Play Store

About The Author

Ranger Salazar

Lauren McEvoy is a naturalist and Santa Cruz native with a passion for teaching through writing. She graduated Cum Laude with a BA in Environmental Studies at the University of California, Santa Cruz in 2015. Lauren worked for Mobile Ranger as an intern and created a self-guided natural history tour of the UCSC campus. After graduation she has come back to Mobile Ranger to write and help things run smoothly.

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3 Comments

  1. Vishnu

    I’m reading this on a computer and wonder if your “Guides” & “Tours” are also available via computer webpage or only through mobile device apps?

    Reply
    1. Ranger Gaudinski

      Hi Vishnu. Thanks for asking.

      As a nice complete self-guided mobile tour experience, with a map, you need to download our app “Mobile Ranger Guides.” However, much of the same content is also available as blog posts on this website. To see the content associated with a given self-guided mobile tour, go to the “Tours” page from the header tab, click on that tour and then scroll down to see all the blog posts associated with that tour. A few tours do not have any blog posts associated with them but most do.

      Reply

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