International Year of the Reef 2008: Commonwealth of the Northern Mariana Islands Coral Food Web . This poster visually depicts the coral reef food web in the Northern Mariana Islands. This poster also includes labels for each species depicted and a description of how symbiotic algae within coral polyps play into the food web. Download (2.70 MB).
This poster represents the L-50, or length at which approximately half of a fish species has mature reproductive organs, for 29 species of fish found in Hawai’i. Larger fish should be released to continue spawning; larger, older females produce many more eggs than their smaller counterparts. Download (492 KB).
The Sky Watcher chart shows examples of each of these 27 categories. By clicking an image you will see various views of that particular cloud classification, the official description of that type and associated symbol. Download Hi Res (26 MB).
Green Seas, Blue Seas
The full-sized color poster, "Greens Seas/Blue Seas: California Current Changing By Degrees" is based on the original artwork by Ray Troll used in the production of the Pacific Grove mural. The key below identifies each of the components (animals, people, places, science and fishing vessels, research equipment and fishing methods) found in each of the mural and poster panels.
Space weather describes the conditions in space that affect Earth and its technological systems. Space weather storms originate from the Sun and occur in space near Earth or in Earth's atmosphere. These storms generally occur due to eruptions on the Sun known as solar flares and coronal mass ejections.
The space weather poster describes the variable conditions on the Sun that affect Earth and on the back, describes space weather impacts on Earth.