From: Eleanor Sans and Lauren Pascoe, , More from this Affiliate
Published July 31, 2011 10:09 AM

International Bog Day 2011

To celebrate the 20th International Bog Day on Sunday 31st of July, our Affiliate Arkive is highlighting some of the amazing species that call the beautiful bog their home, and why they are such important habitats to preserve. They may have a bit of a bad reputation, but bogs are important ecological sites sustaining a unique array of species.


Bogs are often low oxygen, high carbon dioxide environments leading to acidic conditions. High acidity prevents nutrients being available to plants in a useful form and this has led to plants turning to more grisly methods to get the nutrients they need. These plants are able to break down and absorb nitrogen and other nutrients from animals, usually invertebrates such as insects.

Also found in boggy areas, the fanged pitcher plant (Nepenthes bicalcarata) produces nectar which attracts invertebrates to the brim of its pitcher. When stepping on the slippery, waxy surface the invertebrates will often fall into the depths of the pitcher. Unable to escape, they drown in the pitcher fluid and their bodies are broken down by digestive enzymes.

Contrary to popular belief, bogs aren’t dull and dreary. Prevalent on peat bogs, sphagnum mosses provide a carpet of colour. For example the Baltic bog moss (Sphagnum balticum) can form large floating mats of green and orange. The bog asphodel (Narthecium ossifragum) is another vibrant bog-dwelling plant. It has bright yellow star-like flowers which were once used as a hair dye. The bogbean (Menyanthes trifoliata) can be found throughout most of Europe, with it’s delicate white flower brightening boggy areas.

So why is there a need for an International Bog Day? Boggy habitats are becoming rarer and rarer as they are increasingly being drained, dredged, filled or flooded, for urban development, agriculture, and pond and reservoir construction. Bogs are an important habitat for many specialized species, and they certainly deserve protecting and a day of recognition.

Photo shows common blue damselfly caught by sundew carnivorous plant.

Credit: Emmanuel Boitier, Biosphoto, courtesy Arkive

To see more incredible bog images, link to Arkive.

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