My dissertation project, which re-envisions avian evolution using a map-based metaphor, is viewable here (spring 2012)

Changing Writing Technologies and Shifting Cultures in European Science: 1400s-1700s (fall 2008)

This pdf is my contribution to Blituri: a group course project on the remediation of expression by changing writing technologies.

Diachronic Analysis of Writing Technologies (fall 2008)
This graphic, illustrating historical shifts in expression within different societies, was developed as a course assignment.

Walter Ong’s Orality and Literacy is an influential publication in the field of Texts and Technology. It explores the psychological, social, and expressive changes that occur as a result of changing writing technologies. Ong defines four stages in expression within societies: primary orality, scribal culture, print culture, and secondary orality (a mix of print and oral cultures arising from interactive electronic technologies).

This class assignment was to represent these shifts in a timeline form. While Ong primarily focuses on Western cultures in his book, I chose to incorporate developments in other regions into my graphic. Dates in the timeline are approximate. (Below is a snapshot of the timeline; for the entire file as a pdf, click here.)

Pacific island ecology conceptual models (2004-06)
The following conceptual models were created from 2004-2006 while I was employed by the National Park Service for the Inventory and Monitoring Program. These images can be found in the Pacific Island Network monitoring plan.

Anchialine pool:

Anchialine pools are unique brackish-water ecosystems found in Hawaii. They are fed by both fresh and salty groundwater seeping through porous rock, and their water level fluctuates with the tides.

Anchialine pools provide habitat to several unique species of plants and animals, including threatened damselflies and shrimp. They are also an important traditional cultural resource, because they often provide the only reliable source of fresh water in dry, rocky coastal plains.

Today, these pools are threatened by polluted groundwater, coastal development, excessive pumping of groundwater, and invasive species which threaten their delicate ecological balance.

Damselflies and predation:

The aquatic larvae of native Hawaiian damselflies have evolved over millions of years to escape from native stream fish by swimming away from stream bottoms, where the native fish feed.

However, invasive introduced fish have different feeding strategies: when damselfly larvae try to escape them by swimming upward, the fish follow and eat them. This is one of the major reasons why damselflies are threatened in Hawaiian streams.

Pacific Island ecosystems:

Contrary to popular images of Pacific islands consisting of only sandy beaches or wet lowland forests, there is a huge diversity of climate and ecosystem types. The major factors that determine what types of ecosystem exist on an island are the island’s elevation and the direction that the rain-bringing trade winds come from.

This diagram shows the many types of ecosystems that can be found on Pacific islands. While not all islands have all ecosystems, the tallest islands of Hawaii and Maui have most of them.