1. Living World - part 02 - Herbarium and Botanical Gardens
1. Living World - part 02 - Herbarium and Botanical Gardens
Herbarium :
- The word herbarium (plural-herbaria) was coined by Pitton de Tournefort in the book ‘Elemens’.
- The art of herbarium was initiated by an Italian taxonomistLuca Ghini (1490-1556).
- Herbaria are effective tools in taxonomic studies.
- A herbarium is essentially a dried plant specimen that is pressed, treated and mounted on standard size sheet in order to preserve it.
- Date
- place of collection along with detailed classification
- highlighting with its ecological peculiarities
- characters of the plant are recorded on the same sheet.
- Local names and name of the collector may be added.
- This information is given at lower right corner of sheet and is called 'label'.
- Botanical gardens are the places where plants of different varieties collected from different parts of the world, are grown in a scientific and systematic in a in vivo manner.
- Plants are labeled.
- The label-board shows scientific as well as common name of the plant.
- In 1543, first botanical garden of the world was established by an Italian Prof. Luca Ghini (A. D. 1490-1556) at Pisa, Italy.
- Botanical garden at Kew in England is known for largest collection of more than 30,000 specimens (preserved plants) and more than 7 million herbaria.
- Biodiversity is the degree of variation of life forms in an ecosystem.
- Biodiversity is essential to maintain ecological stability.
- The extent of complexity and density of biodiversity can be regarded as a measure of health of an ecosystem.
- Population explosion and over exploitation of resources has resulted in loss of biodiversity at an alarming rate.
- Conservation involves attempting to slow down, stop or even reverse the loss in the natural habitat of organism. This is known as in-situconservation.
- Biodiversity helps to maintain stability in an ecosystem.
- Loss of one variety of organisms can affect entire ecosystem.
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