This is a very small orchid I had the good fortune to see while working in Costa Rica earlier this year. The full scale on the image is no more than an inch – you are looking at a very very small flower! Do you like it? You’ll be dismayed, then, to find out that…
Month: February 2011
How to measure CO2 flux
How do we actually measure gas (carbon dioxide, water) flux for a plant, an animal, or an ecosystem? The answer relies on something called an IRGA, or an infrared gas analyzer. Different molecules absorb certain wavelengths of light. That means that if we shine the right kind of light on some molecule, we can measure…