We photographed this lava cactus late in the afternoon of Wednesday, December 3, 2008, at Punta Espinosa on the island of Fernandina. It is amazing that this species can survive in what appear to be extreme conditions. Growing in lava fields as their name suggests, these small cacti grow in clumps measuring up to 23 in (60 cm) in height. New growth on the cactus is yellow, and as the cactus matures its color fades and eventually turns gray or black with age. Creamy white flowers are visible in the early morning hours before the heat causes them to fade. Undisturbed, these cacti can live from 50 to 100 years. It was a partly cloudy afternoon with temperatures in the lower 70's.
LavaCactus_B.jpg | |
Exif | |
Make | NIKON CORPORATION |
Model | NIKON D80 |
Orientation | top, left side |
X Resolution | 1/72 inches |
Y Resolution | 1/72 inches |
Resolution Unit | Inches |
Software | CAMEDIA Master 4.3 |
Date/Time | 2009:01:06 16:08:43 |
YCbCr Positioning | Datum point |
Exposure Time | 1/125 sec |
F-Number | F5 |
Exposure Program | Program normal |
ISO Speed Ratings | 100 |
Exif Version | 2.21 |
Date/Time Original | 2008:12:03 17:05:03 |
Date/Time Digitized | 2008:12:03 17:05:03 |
Components Configuration | YCbCr |
Compressed Bits Per Pixel | 4 bits/pixel |
Exposure Bias Value | -16/6 |
Max Aperture Value | F4.9 |
Metering Mode | Spot |
Light Source | Unknown |
Flash | No flash fired |
Focal Length | 150.0 mm |
User Comment | ASCII |
Sub-Sec Time | 90 |
Sub-Sec Time Original | 90 |
Sub-Sec Time Digitized | 90 |
FlashPix Version | 1.00 |
Color Space | sRGB |
Exif Image Width | 3872 pixels |
Exif Image Height | 2592 pixels |
Sensing Method | One-chip color area sensor |
File Source | Digital Still Camera (DSC) |
Scene Type | Directly photographed image |
CFA Pattern | |
Compression | JPEG compression |
Thumbnail Offset | 1004 bytes |
Thumbnail Length | 7536 bytes |
Thumbnail Data | [7536 bytes of thumbnail data] |
NIKON Makernote | |
Interoperability | |
Interoperability Index | Recommended Exif Interoperability Rules (ExifR98) |
Interoperability Version | 1.00 |
generated by EXIF-O-Matic on 2009.4.5 |