Which one of the following is not used for ex situ plant conservation

Assertion : Diversity observed in the entire geographical area, is called gamma diversity.

Reason : Bio-diversity decreases from high altitude to low altitude.

Assertion : Alpha diversity is said to be higher if the dissimilarity between communities is higher.

Reason : Alpha diversity is a measure of diversity between the communities.

Assertion : Bird ringing was carried in Harike Pattan Sanctuary.

Reason : Bird ringing was helpful in bird census.

Assertion : Red data book has a record of all animals.

Reason : Endangered species are need to be noticed

Assertion : Great Indian Bustard is a rare species.

Reason : Vulnerable species are rare species.

Assertion: National parks are meant for the welfare of wildlife.

Reason: National parks are controlled by state governments.

Assertion : Pitti island of Lakshadweep is a sanctuary.

Reason : Lions are protected in Pitti island.