aerial view of spruce budworm killed balsam fir and red spruce

801a

fire origin white pine with 2nd story of balsam fir - poplar

802a

evidence of prescribed burn on white pine with 2nd story of balsam fir - poplar

802b

finned barrels used to site prepare areas

803

black spruce seedling

804

seedling on paper pot (black spruce)

805a

black spruce seedling in paper pot

805b

minimal root development measured in jackpine

806

map of geology of southeastern us

807

map of soils of southeastern usa

808

map of forested lands of the southeastern usa

809

map of forest types of the southeastern usa

810

map of mean annual water deficit in the usa

811

maps of damaging tropical storms and glaze storms in the usa

812

map of fire occurrence rates in the usa

813

map of distribution ranges of longleaf and shortleaf in south-eastern usa

814

map of ranges of loblolly and slash in the southeastern usa

815

diagrams of growth sequences in conifers

816a

diagrams of growth sequences in conifers

816b

profile of radial growth sequences

817

profile of radial growth and number of sequences

818

profile number and radial sequences

819

construction of 3-dimensional array

820

3-dimensional array of stem and root growth

821

model of (tree) stem analysis array

822

model of duff & nolan's type 1,2 and 3 growth sequences

823

forestry machinery

824a

forestry machinery

824b

site preparation for forestry plantation

825

site preparation with forestry machinery

826

plantation marked for winter thinning

827

plantation after thinning (branches left on the ground)

828

natural regeneration

829

balsam fir stand (high graded)

830

balsam fir plantation

831

natural regeneration in balsam fir

832

young balsam fir plantation (not enough space between trees)

833

on-site preparation for further plantation with red pine

834

area for red pine plantation plowed with martini

835

seedlings planted with paper pots

836

jackpine seedlings

837

3 year old jackpine plantation

838

forestry machine for site preparation

839

site prepared by martini forestry machine

840a

area prepared for plantation

840b

jack pine planted 1971

841

3 yrs old jackpine plantation

842

desiccation by frigid temperatures on red spruce

843

growth in black spruce

844

black spruce planted in 1968

845

mixed plantation

846

tree growth pattern on slope

847a

tree growth on slope

847b

tree growth on slope

847c

tree growth on black spruce plantation

848a

tree growth on black spruce

848b

close up on black spruce tree growth in a hilly landscape

849a

close up on plantation made in a hilly landscape

849b

close up on tree needle rust

850a

close up on white spruce needle rust

850b

close up on budworm damage on red spruce

851a

pest damage on red spruce needles

851b

pest (budworm) damage on tree needles

851c

forest insect pest over tree needles

852a

budworm over white spruce needles

852b

pest worm eating tree needles

852c

comparison of tree growth (planted black spruce vs natural larch)

853a

growth comparison between planted black spruce and natural larch

853b

8 yrs old black spruce plantation

854a

8 years old black spruce plantation

854b

view on treated site for jackpine plantation (8 weeks later)

855

6 weeks of growth in black spruce

856

pot planted jackpine, extracted to see root growth

857a

jack pine in paper pot planted, extracted to show root growth

857b

roots exposure in paper pot planted jackpine

857c

black spruce planted in july 1972 in paper pot, extracted june 1973

858a

black spruce planted in paper pot, extracted to show root development

858b

removed soil to show black spruce roots

858c

paper plot planted black spruce and extracted to show root development

858d

browse on hemlock in winter deer yard

859

winter browse on hardwoods

861

difference in snow depth under hemlock and hardwoods

862

natural regeneration of hemlock under paper birch after a fire

863

hemlock seedling (3 years) was established on mineral soil of windthrow

864a

hemlock seedling (3 years) established on mineral soil of windthrow

864b

hemlock seedling (3yrs) established on mineral soil of windthrow

864c

mixed wood species plot after improvement cut

865

clearcut to promote the growth of plantation

866

clearcut in hardwoods to promote black cherry

867

windthrown hemlock

868

windthrown old hemlock in stand with beech

869

hemlock seedling established on old log

870

yellow birch which became established on rotting log

871

hemlock stand

872

old stand of hemlock (400+yrs)

873

stand of hemlock and beech

874

hemlock stand (age 350+ yrs)

875

rural road used for logging and recreation

876a

road used for logging and recreation

876b

5 yrs old black spruce plantation

877

paper pot-planted black spruce

878a

black spruce paper pot was planted in july 1972

878b

black spruce paper pot was planted july 1972

879a

black spruce paper pot planted in july 1972

879b

paper pot planted jackpine (after one year)

880a

jack pine paper pot planted in july 1972

880b

exposed roots of black spruce planted with a paper pot

881

black spruce paper pot planted and extracted to show roots

882

extraction of black spruce to show roots development

883

black spruce growth after months

884

norway spruce planted mid-aug. 1973, photo sept 1973, showing root development

885

black spruce paper pot planted july 1972

886a

growth in black spruce paper pot planted in july 1972

886b

seedlings (black spruce) ready for planting

887

seedlings for planting

888a

black spruce seeded and ready for out planting

888b

tree planting device

889

planted black spruce in paper pot

890

planting crew using potti putkis

891

women planting paper pot black spruce

892a

women planting paper pot black spruce

892b

women planting paper pot black spruce

893a

planting paper pot black spruce

893b

diagram of feeding pattern of spruce sawfly

894

diagram of life history of spruce sawfly

895a

diagram of the life history of spruce sawfly

895b

mistletoe life history diagram

896

diagram of mistletoe on host

897

chart of hosts of mistletoe

898

chart of characteristics of main species of mistletoe

899

chart of development of infection in lodgepole pine stand

900

white pine weevil damage in jack pine

901

natural regeneration of jack pine, 9 yrs. after summer logging (clearcut)

902

early cement-filled barrel

903

black spruce at 11yrs from seed

904

white spruce damaged by late spring frost

905

site was cut in 1972, barrel scarified for natural regeneration

906

boreal black spruce and balsam fir stand

907

black spruce with balsam fir stand 76 years old

908

black spruce 76 years

909

hardwoods, mainly maple killed with 2,4 5-t

910

black brook "fields of forests"

911

spruces planted 1965

912

black spruce 2+2 planted aug 1968

913a

black spruce 2+2 planted aug 1968

913b

black spruce planted 1965

914a

black spruce planted 1965, photo 1973

914b

black spruce planted 1965, photo 1973

914c

area logged 1937-38. balsam fir natural, 35 years

915

clearcut planted with douglas fir

916

douglas fir planted after clearcutting

917

white ash planted after cultivation and simazine, 5 years

918a

white ash planted after cultivation and simazine, 5 years

918b

white ash 3 years after planting

919

populus alba 2 years after planting

920

self-pruning in white ash, 5 years

921

multiple leaders from mouse damage

922

white spruce planted at rock point provincial park

923

marttiini plow in 1972 followed by planting jack pine in 1973

924a

marttiini plow in 1972 followed by planting jack pine in 1973

924b

clearcut aerially seeded with jack pine

925

jack pine clearcut, site prepared with barrels then aerially seeded

926a

jack pine clearcut, site prepared with barrels then aerially seeded

926b

strip cutting for natural regeneration

927a

strip cutting for natural regeneration

927b

strip cutting in white pine

928a

strip cutting in white pine

928b

jack pine planted 1964, 9 years. site of university of toronto studies.

929

outstanding x poplar (cottonwood)

930

stump of black walnut auctioned off for $5,050.00, 1973

931

cronartium comptoneae (sweetfern rust)

932a

cronartium comptoneae (sweetfern rust)

932b

cronartium comptoneae rust showing aeciospores

933a

cronartium comptoneae rust showing aeciospores

933b

cronartium comptoniae (sweetfern blister rust) on 2 year jack pine

934a

cronartium comptoniae (sweetfern blister rust) on 2 year jack pine

934b

hard maple, 64ft clear stem; height 110ft

935

general view of geography in barrie woodlot

936

bending of "whips"

937

diagram illustrating silvicultural options

938

blake macdonald's experiment to show the impact of water supply on growth of hard maple seedlings

939a

blake macdonald's experiment to show the impact of water supply on growth of hard maple seedlings

939b

eastern hemlock, clearcut in algonquin park

940

dense mature stand of hemlock in algonquin park

941

crown closure in mature stand, algonquin park

942

hemlock stand n.b. old white pine stump. algonquin park

943

interior of hemlock stand, algonquin park

944

forest floor under mature hemlock

945

general view through mature hemlock stand

946

soil profile under mature hemlock

947

regeneration of hemlock

948a

regeneration of hemlock

948b

hemlock seedling on forest floor

949

hemlock seedlings on mineral soil created by road construction

950