Appendix C
Translation of Plate captions.
Plate I
Eucalyptus marginata Sm., Jarrah
In right foreground Xantorrhoea Preissii Endl.
Darling District, Darling Range near Mundaring
Photo E. Pritzel February 90.
Plate II
Eucalyptus calophylla R. Br., Red Gum
In foreground numerous Xantorrhoea Preissii Endl.
Darling District, Bellevue east of Perth.
Photo E. Pritzel April 90.
Plate III
Eucalyptus diversicolor F. v. M., Karri
The thick shrubby trees on the bank, Melaleuca rhaphiophylla Schau.
Warren District, Denmark River.
Photo E. Pritzel July 90.
Plate IV
Eucalyptus gomphocephala DC., Tuart over Callitris (Frenela) robusta A. Cunn.
Darling District, Osborne Cliffs, littoral limestone on the lower Swan River.
Photo E. Pritzel November 90.
Plate V
Banksia attenuata R. Br.
On left edge Banksia ilicifolia R. Br., behind in middle distance young Eucalyptus marginata
Sm.
Photo E. Pritzel December 90.
Plate VI
Nuytsia floribunda R. Br., Christmas Tree
The tree in the distance Melaleuca Preissiana Schau.
Darling District, Guildford.
Photo E. Pritzel December 900.
Plate VII
Macrozamia Fraseri Miq., Cycas Palm
On left Eucalyptus marginata Sm., in the distance Melaleuca Preissiana Schau.
Darling District, Bayswater east of Perth.
Photo E. Pritzel December 90.
Plate VIII
Tree-like Liliaceae Western Australia.
Xantorrhoea Preissii Endl. (left) and Kingia australis R. Br. (right). Along with Xylomelum occiden-
tale R. Br., a poor stunted example (left edge), and Banksia grandis R. Br. (between the Kingia).
Darling District, Serpentine.
Photo E. Pritzel December 900.
Plate IX
Dasypogon Hookeri Drumm., an unusual western Australian grass-tree.
In woodland with Casuarina Fraseriana Miq. (left), Eucalyptus marginata Sm. and Banksia gran-
dis (right edge).
Warren District, south of the Vasse River.
Photo E. Pritzel December 90.
7
Plate X
Mangrove and mudflats.
With Avicenna officinalis L. and Sarcocornia australis Sol. (in foreground).
Darling District near Bunbury.
Photo E. Pritzel November 1091 [sic].
Plate XI
Coastal Woodland in the Tuart Zone.
Eucalyptus gomphocephala DC. (trees on both sides); Agonis flexuosa DC. (Myrtac., small trees in
the hollow in the background); Olearia candidissima (Compos., strongly defined white tomentose
bushes); Jacksonia furcellata DC. (Legum., bushes in foreground on the left); Hibbertia cuneiformis
(Lab.) Gilg. (Dilleniac., small bush in the foreground on the right).
Darling District, Bunbury.
Photo E. Pritzel November 90.
Plate XII.
Forest belt in the Warren District.
Eucalyptus cornuta Lab. (on left); Banksia verticillata R.Br. (in centre); Pteridium aquilinum (L.)
Kuhn (main undergrowth); Macrozamia Fraseri Miq. (foreground).
Warren District, Wilson’s Inlet.
Photo E. Pritzel, March 1901.
Plate XIII.
Wandoo Woodland: Eucalyptus redunca Schau. (stand behind).
Eucalyptus occidentalis Endl. (individual in front).
Stirling District, Cranbrook.
Photo E. Pritzel, November 1901.
Plate XIV.
Mixed Woodland of sandy coastal plain.
Casuarina Fraseriana Miq. (left and right); Eucalyptus marginata Sm. (centre).
Darling District, Serpentine.
Photo E. Pritzel, December 1900.
Plate XV.
Mixed Woodland of sandy coastal plain.
Casuarina Fraseriana Miq. (tallest tree); Banksia ilicifolia R. Br. (narrow pyramidal shaped
shrubby tree); Adenanthos cygnorum Diels (Proteac., grey left front); Xantorrhoea Preissii Endl.
(right front).
Photo E. Pritzel, December 1900.
Plate XVI.
Very open Woodland of the sandy coastal plain
Eucalyptus marginata Sm.(centre) – Banksia attenuata R. Br. (low trees, mostly left).
Darling District, Bayswater east of Perth.
Photo E. Pritzel, November 1901.
Plate XVII
Shrublands
Numerous types represented.
The striking Melaleuca megacephala F. v. M. (Myrt.) is flowering in the foreground.
Irwin District, White Peak north of Champion Bay.
Photo E. Pritzel September 90
Plate XVIII
Sclerophyll scrub in the western Stirling Range.
Eucalyptus tetragona F. v. M. (thin stemmed); Eucalyptus Preissana Schau. (large leaved, dwarf);
Xantorrhoea Preissii Endl. (foreground); Dryandra armata (Proteac., very dark leaved).
Stirling District, Suckys Peak.
Photo E. Pritzel November 90.
8
Plate XIX
Edge of sand heath.
Eucalyptus eudesmioides F. v. M., in the foreground Ecdeiocolea monostachya F. v. M. (Restio-
nac.)
Irwin District, Greenough River crossing.
Photo E. Pritzel June 90.
Plate XX
Scrub heath on sand
Eucalyptus macrocarpa Hook. (greyish-white shrubs in background); Xanthorrhoea ( Preissii Endl.
?); Petrophila scabriuscula Meissn. (Proteac., flowering bush in foreground).
Avon District, Meenaar.
Photo. E. Pritzel December 90.
Plate XXI
Edge of scrub heath on sand.
Actinostrobus pyramidalis Miq. (Pinac. extreme left); Jacksonia eremodendron E. Pritzel (Legum.
- behind the Actinostrobus); Grevillea eriostachya Lindl. (Proteac., the apparently leafless shrub
in middle background); Conospermum stoechadis Endl. (Proteac., smoky grey-white inflores-
cences).
Irwin District, Watheroo.
Photo E. Pritzel December 90.
Plate XXII
Alluvial formation
Melaleuca Preissiana Schau. (background); Xantorrhoea Preissii Endl. (foreground).
Darling District, Bayswater east of Perth.
Photo E. Pritzel December 90.
Plate XXIII
Vegetation of the granite rocks (in foreground).
The granite flats partially overlain with the dark green cushions of Campylopus bicolor (Musci).
In the inter-spaces Anthocersis viscosa R. Br. (Scrophular., shrubby trees), Agonis marginata
DC. (Myrtac., thick bushes left), Anarthria scabra R. Br. (Restionac., flowering sward in front),
Eucalyptus cornuta Lab. (back right).
King George Sound, summit of Mt Elphinstone.
Photo E. Pritzel October 90.
Plate XXIV
Eucalyptus loxophleba Benth., York Gum
In the background with Acacia acuminata Benth.
Harvested wheatfield in front.
Avon District, Newcastle [Toodyay].
Photo E. Pritzel February 90.
Plate XXV
Eucalyptus occidentalis Endl., Flat-topped Yate (foreground)
A stand of Eucalyptus redunca Schan., Wandoo behind.
In front many annuals, particularly composites in flower.
Stirling District, Cranbrook.
Photo E. Pritzel November 90.
Plate XXVI
Eucalyptus salmonophloia F. v. M., Salmon Gum
With under storey of Melaleuca uncinata R.Br.
Avon District, Meenaar.
Photo E. Pritzel November 90.
9
Plate XXVII
Acacia acuminata Benth., Jam
With the top left crown occupied by a specimen of Loranthus quandang Lindl.
Iwin District, Mingenew.
Photo E. Pritzel June 90.
Plate XXVIII
Eucalyptus Woodlands of the Eremaea
Eucalyptus celastroides Turcz. The two small trees in the left foreground are Fusanus spicatus R.
Br. (Santal.); the rest of the bush consists of Acacia and Melaleuca.
Coolgardie District, Southern Cross.
Photo E. Pritzel May 90
Plate XXIX
Eucalyptus stand of Eremaean Savanna type.
Eucalyptus loxophleba Benth. - In the centre is a fine example of Cassytha racemosa Nees.
In the foreground is good growth of Triraphis mollis R. Br. (Gramin.).
Irwin District, Watheroo.
Photo E. Pritzel December 90.
Plate XXX
Savanna Woodland
With Eucalyptus loxophleba Benth. (left and middle) and Acacia acuminata Benth. (the smaller
trees on the right and in the background).
Avon District, Meenaar.
Photo E. Pritzel November 90.
Plate XXXI
Savanna type Acacia stand on loam in the dry period
Acacia acuminata Benth., mature and young specimens.
Avon District, Newcastle [Toodyay].
Photo. E. Pritzel Feburary 90.
Plate XXXII
Creek vegetation in the transition zone between the Eremaea and the Southwest Province.
Casuarina glauca Sieb. (left); Eucalyptus rostrata Schlecht. (centre, with white stems); in the fore-
ground, Acacia acuminata Benth., young specimen (left); Melaleuca viminea Lindl. (on right).
Irwin District, Mingenew.
Photo E. Pritzel June 90.
Plate XXXIII
Mulga vegetation of the Eremaea
Chief vegetation consists of Acacia species, Trichinium obovatum Gaud. (Amarantac.). Kochia
species (Chenpodiac.).
Austin District, Cue.
Photo E. Pritzel July 90.
Plate XXXIV
Eremaean landscape with Helipterum splendidum Hemsl.
Acacias in the background.
Austin District, Murrin-Murrin.
Photo taken September or October 900.
60
Diels’ Photographic Sites - 82 years later
A study of Resilience in southwestern Australia
Byron B. Lamont and Brian J. Grieve
School of Biology,
W.A. Institute of Technology,
Western Australia.
Appendix D
In 1900-02, Drs L. Diels and E. Pritzel travelled extensively in
southwestern Australia. The outcome was the classic work, Diels, L
906. Die Pflanzenwelt von West-Australien. In the process of translat-
ing and updating this text, we have tried to relocate and rephotograph
the sites of the plates in this mammoth book. Below are paired
photos from 12 selected sites in Diels, taken 82 years apart.
POSTER PREPARED FOR MEDECOS 98
6
Eradu, 46km E of Geraldton
Little change. Same mallee (Eucalyptus eusdesmoides) present, ‘grass’ (Ecdeioco-
lea monostachya) thinned out, Acacia rostellifera (dead in foreground) established
and died during that time.
6
Mt Elphin-stone, Albany
Site almost unchanged. Ground cover of Lepidosperma aff. effusum now almost
completely replaced by Stypandra imbricata and annual grasses.
6
Mouth of Denmark River
Original two karri trees blown over at a height of 39m by cyclone Alby, Jan. 1978;
present stand up to 16m high, fringing vegetation now denser; Watsonia (South
Africa) common along edge.
6
Newcastle (Toodyay)
Almost unchanged, except bare ground replaced by a wide range of annual weeds.
6
Leschenault Inlet, Bunbury
Only mangroves Avicennia marina left on S side of inlet are pictured in foreground;
many mangroves on N side fallen over; in background, piles of woodchips, bauxite
and harbour; retaining wall in foreground built about 96.
66
Serpentine
Grasstrees thinned considerably (human use); Banksia grandis replaced by Euca-
lyptus calophylla, new ground cover ( Leptocarpus, Hakea sulcata, Lepidospermum
ellipticum) suggests site now wetter.
67
Sukey Hill, 5km E of Cranbrook
Little change except emergent mallee (E. tetragona) not found, Dryandra armata
(erect dark branches in Diels) is very short, although no evidence of recent fire.
68
White Peak, 10km N Geraldton
Most of the surrounding
area cleared for farming; veg-
etation now denser on peak; wild
oats in valley; high species rich-
ness retained however Melaleuca
gomphocephala replaced by more
drought-tolerent species; peak
fenced in October 1983, to protect
rare species of Drummondita.
69
Lockier River, Mingenew
Watercourses severely degraded as indirect result of widespread clearing for agri-
culture in 90s; most trees and shrubs eliminated; slopes densely covered with
annual weeds; a few native halophytes now present (increased salinity).
70
Meenaar
Travelled 40km around Meenaar without finding a thicket of Melaleuca uncinata
beneath salmon gums (E. salmonophloia) as this provides the best farmland; pic-
tured is the closest remnant of salmon gum vegetation to Meenaar.
7
Meenaar
Almost no change. Fallen York gum (E. loxophleba) may have been in original
photo; minor annual weed invasion
7
Southern Cross
Little change. Individual plants seem to have denser foliage; salt bushes (Atriplex,
Maireana) now widespread as a ground cover (saltier, less grazing?); some
weeds.
7
CONCLUSIONS
Southwestern Australia has undergone massive human interference during the
last 80 years. The level of direct interference has had greatest impact on structure
of the vegetation and extent of invasion by annual weeds, while indirect interfer-
ence (increased salinity, low or higher water availability) appears to have had most
impact on floristics of the dominants. Some floristic changes suggest a reduction
in effective rainfall may have occurred during that time. Unlike Diels, none of his
revisited sites showed evidence of recent fire.
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