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POLLEN, SEEDS, AND PLANT REPRODUCTION 1. The pollen in the core in lab 2. The geography and ecology of the pollens 3. Pollen’s role in reproduction
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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
![Surface pollen distribution patterns in Beibu Gulf and ... · sion and sedimentation of pollens, and their relationships to terrestrial vegetation. In the 1950s, Muller [1] studied](https://static.documents.pub/doc/80x56/5f09f3a67e708231d4294af7/surface-pollen-distribution-patterns-in-beibu-gulf-and-sion-and-sedimentation.jpg)
