Table 2 List of invertebrate taxa and their abundance per quadrat 06 m2) for each habitat type (Soft, Holdfast, and tcc). A total of 38 Soft, 16 Holdfast, and 19 tcc quadrats were sampled Class

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Table 2 List of invertebrate taxa and their abundance per quadrat (0.06 m²) for each habitat type (Soft, Holdfast, and TCC). A total of 38 Soft, 16 Holdfast, and 19 TCC quadrats were sampled

Class	Species	Soft	Holdfast	TCC
Anopla	Cerebratulus sp.	0.105	0.125	0.263
Anthozoa	Actiniidae	0.079	4.875	9.000
	Alcyonium pacificum			0.158
	Alcyonium sp.		0.125	0.105
	Cerianthidae	0.158	0.313	0.842
	Metridium sp.			0.211
	Halcampoides sp.		0.063
Aplacophora	Chaetoderma robusta			0.053
Arachnida	Acarida	12.105	19.625	1.000
Articulata	Terebratulina unguicula		0.438	0.211
Ascidiacea	Ascidiacea	0.474	0.875	0.842
	Didemnum sp.		0.563	0.579
	Styela sp.		0.063	0.053
Asteroidea	Aleutiaster schefferi		0.063	0.105
	Asteroidea		0.063	0.263
	Ceramaster arcticus		0.063	0.053
	Echinasteridae		0.125	0.053
	Henricia leviuscula		0.063	0.053
	Henricia sp.			0.105
	Henricia tumida		0.125	0.158
	Leptasterias cf. aleutica			0.211
	Leptasterias cf. hylodes	0.105
	Leptasterias dispar			0.105
	Leptasterias hylodes			0.053
	Leptasterias leptodoma		0.750	0.053
	Leptasterias sp.	0.026	0.063	0.895
	Solasteridae			0.053
	Stephanasterias sp.	0.026
Bivalvia	Astarte arctica	0.158
	Axinopsida serricata	17.342
	Bivalvia	0.079	0.500	0.211
	Clinocardium californiense	0.026
	Crenella decussata	0.579	0.125
	Cyclocardia crebricostata	2.763
	Cyclocardia sp.	0.421		0.053
	Cyclocardia ventricosa	0.026	0.375
	Diplodonta aleutica	0.026	0.125	0.105
	Ennucula tenuis
	Hiatella arctica	0.105	13.500	7.632
	Kellia suborbicularis			0.053
	Lasaeidae	0.079
	Limatula attenuata	3.368
	Liocyma fluctuosa	0.026
	Macoma sp.	3.553	0.063	0.211
	Mactromeris polynyma	0.026
	Modiolus modiolus	0.684	2.188	0.316
	Musculus discors		0.125	0.053
	Musculus glacialis	0.763	2.188	2.158
	Musculus sp.	0.026	6.375	3.368
	Mya pseudoarenaria	0.053
	Mya sp.	0.105
	Mytilidae		2.750
	Mytilimeria sp.			0.105
	Mytilus sp.		0.063
	Nutricola lordi	0.526		0.053
	Parvilucina tenuisculpata	0.026
	Pectinidae		0.063
	Pododesmus macrochisma		0.063	0.421
	Protothaca staminea	0.026
	Rochefortia tumida	0.658	1.000	0.526
	Serripes groenlandicus	0.026
	Solamen columbianum	10.789
	Tellina cf. nuculoides	0.158
	Tellinidae	0.026
	Thracia devexa	0.158
	Thyasira flexuosa	0.079
	Thyasira sp.	0.026
	Turtonia minuta	0.026
	Vilasina vernicosus		14.688	0.053
Brachiopoda	Brachiopoda		0.125	0.474
Calcarea	Calcarea	0.105	0.750	0.842
	Leucandra sp.		5.875	0.579
	Grantia sp.		0.500	0.053
	Scypha sp.		0.688	0.842
Clitellata	Clitellata		0.188
Cnidaria	Cnidaria	2.237
Demospongiae	Halichondria sp.		0.188	0.158
	Halichondriidae			0.053
	Haliclona sp.		0.125	0.105
	Lissodendoryx sp.		0.063
	Steleodoryx alascensis			0.053
Echinoidea	Echinarachnius parma	0.474	0.063
	Echinoidea	0.132	2.250	0.263
	Marginoproctus d'yakonovi		0.563	0.474
	Strongylocentrotus spp.	0.211	4.563	21.263
Echiura	Bonelliopsis alaskana	0.579	0.500	1.579
	Echiurus echiurus	0.132
Enteropneusta	Saccoglossus sp.	0.237
Gastropoda	Acanthodoris pilosa			0.053
	Acteocina culcitella	0.132
	Adalaria proxima		0.063
	Alvania sp.	4.000	0.250	0.105
	Alvania castanella		2.000	0.842
	Alvania dinora		6.375	0.842
	Amphissa columbiana	0.026		0.421
	Anabathron muriel	0.605		0.053
	Astyris amiantis		0.188	0.263
	Astyris cf. rosacea			0.105
	Astyris sp.		0.688	0.053
	Boreotrophon pacificus	0.184	0.125	0.158

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