Structure and development of the apical organ in trochophores of Spirobranchus polycerus,
Phyllodoce maculata, and Phyllodocemucosa (Polychaeta).Proc.
X Polyophthalmus pictus X Phyllodocidae
Phyllodoce (Anaitides) sp.
The snowbeds are generally covered with snow until mid-July, after which the sites become dominated by dwarf scrub (
Phyllodoce aleutica, Vaccinium uliginosum, and Geum pentapetalum).
Scoloplos armiger OWENIIDAE Owenia fusiformis PHYLLODOCIDAE
Phyllodoce maculata POLYNOIDAE Eunoe depressa Hesperonoe complanata Lepidonotus squamatus SABELLARIIDAE Idanthyrsus armatus Megalomma splendida SABELLIDAE Eudistylia polymorpha SERPULIDAE Spirorbis bifurcatus SYLLIDAE Haplosyllis spongicola Syllis gracillis Syllis sp.
The AT zone (-650 m and above) is dominated by low-lying shrubs such as northern bilberry, lingonberry (Vaccinium vitis-idaea) and mountain heath (
Phyllodoce caerulea) with feathermoss and lichen seedbeds (Fig.
Peucedanum Cold/wet multivittatum, stratification
Phyllodoce given at 0 aleutica, [degrees]C for 2 Potentilla months matsumurae, significantly Primula reduced the cuneifolia, temperature Rhododendron required for aureum, Sieversia germination and pentapetala, cumulative Solidago virga- germination per/ aurea ssp.
Dominant shrubs are Salix spp., Empetrum nigrum,
Phyllodoce aleutica, Vaccinium spp., and Rhus spp.
magnidentata 0.33 0.40 Amphicteis gunneri 0.17 0.40 Ophiodromus flexuosus 0.33 0.20
Phyllodoce rosea 0.33 0.40
Phyllodoce groenlandica 0.33 Dipolydora cf.
japonicum, 3) snow-patch vegetation characterised by aleutian mountainheath
Phyllodoce aleutica, aleutian avens Sieversia pentapetala and Potentilla matsumurae, 4) alpine meadows and 5) rock outcrops (Miyawaki et al.
Among the 10 indicator taxa, unidentified Sabellidae, Mediomastus sp., Synchelidium sp., Ampelisca sp., Nemertea,
Phyllodoce sp., and Minuspio cirrifera were consistently abundant with high SIM/SD ratio (>5).
breweri), unidentified moss (6.6%), Drummond's rush (Juncus drummondii, 4.3%), short hair reedgrass (Calamagrostis breweri, 3.1%), purple mountain heather (
Phyllodoce breweri, 2.9%), bluegrass (Poa stebbinsii, P.