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Permian Period

Permian Period

Permian Period. 299 -251 million years ago. 2 51 mya – Mass extinction The Paleozoic ends with the greatest Mass Extinction in geologic history. Permian Plants. Conifers 1 st Appear (Needle like trees) Cycads Appear (Seed Fern). Terrestrial Animals. 1 st Archosaur s Appear

By cathal
(1356 views)


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Conifers

Conifers

Conifers. Block 3 4/6/09 Molly Owens Angela Talbert Kelsey Walker Krayton Brox. Basic Information. Gymnosperms Found all year round One sprouted near Sphinx in Egypt Found everywhere (China/America) except rainforests Damp areas. Different Species. Ginkgos

By mickey (152 views)

Conifers

Conifers

Conifers. BIOL 1407. Seed Plants. Vascular Tissue Produce seeds Dispersal of offspring Produce pollen Sperm transfer without water. Seed Plants. Sporophyte dominant Gametophytes Greatly reduced in size Dependent on sporophyte. Seed Plants. Heterosporous Megaspore

By tamal (161 views)

Conifers

Conifers

2 kinds of cones. Conifers. Male vs. Female Cones. Male Pollen cones. Female Seed cones immature. Male. Female immature. Mature Immature. “ Naked” and “Covered”. Reproduction. Scales Male cones produce male gametophytes called pollen grain

By byron (198 views)

Conifers

Conifers

Conifers. BIOL 1407. Seed Plants. Vascular Tissue Produce seeds Dispersal of offspring Produce pollen Sperm transfer without water. Seed Plants. Sporophyte dominant Gametophytes Greatly reduced in size Dependent on sporophyte. Seed Plants. Heterosporous Megaspore

By gdania (0 views)

Conifers for Colleges

Conifers for Colleges

Conifers for Colleges. Ian Gambles Director Forestry Commission England Royal Forestry Society 5 th November 2014. What I am going to cover. The conifer challenge… Pests and diseases Climate change Anti-conifer sentiment Loss of silvicultural skills … and what we can all do about it.

By nconway (0 views)

Conifers of North Idaho

Conifers of North Idaho

Douglas Fir Western Larch Western White Pine Ponderosa Pine Lodgepole Pine Western Hemlock Grand Fir Engelmann Spruce Subalpine Fir Western Red Cedar Pacific Yew. Pseudotsuga menziesii Larix occidentalis Pinus monticola Pinus ponderosa Pinus contorta Tsuga heterophylla

By talasi (488 views)

What about other conifers?

What about other conifers?

What about other conifers? . We have developed changes for Pl but Sx and Fd grow with pine especially in the wetter zones like the SBS However, we have limited information on Fd and Sx Research studies provide some insight EP1152.09 operational studies have early growth response

By gypsy (104 views)

PNW conifers (that aren’t pines)

PNW conifers (that aren’t pines)

PNW conifers (that aren’t pines). True firs ( Abies ). Cones perch on the topmost branches. Leaves of most species are about 1" long and are highly aromatic. White bands on the underside but some have are green on top while others are blue-green to white.

By linda-bush (78 views)

Structure, development and functioning of conifers

Structure, development and functioning of conifers

Structure, development and functioning of conifers. Conifers as principal tree species in dry regions. The Pinyon pine-Juniper community is an extreme, but widely distributed type in SW USA. Zion Canyon. Pinyon pine and Juniper. Juniperus osteosperma. Pinus monophyllum.

By fisk (143 views)