POLLEN, SEEDS, AND PLANT REPRODUCTION

1. The pollen in the core in lab2. The geography and ecology of the pollens3. Pollen’s role in reproduction

The common pollens in the Lilypad Pond core

pine spruce

firhemlock

larch

oak

birch

beech

The conifer pollens in the Lilypad Pond Core

pine

spruce fir

hemlock

larch

Pine pollen coating the surface of Lake Champlain

Pine pollen in hand.

Pollen Cones on a pine tree

POLLEN AND SEED CONES OF A PINE

Seed cones

pollen cones

eastern white pine - Pinus strobus

black spruce - Picea mariana

balsam fir - Abies balsamea

These conifers occupy vertical zones in Vermont today…

Spruce-fir, above 2500’

Beech-birch-maple, below 2500’

POLLEN, SEEDS, AND PLANT REPRODUCTION

1. The pollen in the core in lab2. The geography and ecology of the pollens3. Pollen’s role in reproduction

The conifer pollens in the Lilypad Pond Core

pine

spruce fir

hemlock

larch

Pine pollen is designed to be blown into the interior of pine cones

Karl Niklas

And the different grains are each designed for their own cone

pine

spruce fir