Bruxel, Fernanda; Nervo, Michelle Helena; Freitas, Elisete Maria de

Fernanda Bruxel ⁵5Author for correspondence: fbruxel1@universo.univates.br

Universidade do Vale do Taquari - Univates, Lab. Botânica, Lajeado, RS, Brasil.

https://orcid.org/0000-0001-6858-6202

Michelle Helena Nervo

Universidade de Passo Fundo, Inst. Ciências Biológicas, Lab. Multidisciplinar Vegetal, Passo Fundo, RS, Brasil.

https://orcid.org/0000-0002-7213-5532

Elisete Maria de Freitas

Universidade do Vale do Taquari - Univates, Lab. Botânica, Lajeado, RS, Brasil.

https://orcid.org/0000-0002-9292-1557

5Author for correspondence: fbruxel1@universo.univates.br

Area Editor: Dra. Thaís Almeida

Figuras (4)
Tabelas (3)

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Figure 1
Map of eighteen study areas of the Taquari-Antas River Basin. Created by Gabriela Reis-Avila.

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Figure 2
Venn diagram – number of shared and exclusive species among the three succession stages. Succession stages: INI = initial stage of forest succession; INT = intermediate stage of forest succession; LAT = late stage of forest succession.

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Figure 3
NMDS analysis (Stress = 16.1) performed for samples of ferns and lycophytes collected in 18 study areas, occurring in environments of initial succession (circle) and intermediate succession (triangle) and late succession (square) in riparian forests of the river Taquari region, Rio Grande do Sul, Brazil.

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Figure 4
Similarity dendrogram by the UPGMA algorithm, based on the Bray-Curtis Index (group co-phenetic correlation > 0.9) for the species of ferns and lycophytes sampled in 18 study areas, occurring in the environments of initial stage of forest succession (1 to 6); intermediate stage of succession (7 to 12) and late stage of succession (13 to 18) in riparian forests of the Taquari River region, Rio Grande do Sul, Brazil.

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Table 1
Characteristics of the different study sites in remnants of the Taquari-Antas River Basin in Rio Grande do Sul state, Brazil, in three forest sucession – INI = initial stage of forest succession; INT = intermediate stage of forest succession; LAT = late stage of forest succession. AP = Annual Precipitation; MAT = Mean Annual Temperature.

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Table 2
Fern and lycophyte species occurring in Taquari-Antas River drainage base, with indication of – ST = substrat types; e = epiphyte; r = rupicolous; t = terrestrial; INI = initial stage of forest succession; INT = intermediate stage of forest succession; LAT = late stage of forest succession; HVAT = voucher number.

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Table 3
Floristic similarity of ferns and lycophytes in three formations forest in different sucession stage in the remnants of the Taquari-Antas River Basin, in Rio Grande do Sul state, Brazil, indicated by the Sørensen Index. INI = initial stage of forest succession; INT = intermediate stage of forest succession; LAT = late stage of forest succession; IHM = internal heterogeneity measure (= Sørensen index calculated for all pairs of areas within one formation).

Area	Municipality	Forest sucession	Coordinates	AP (mm)	MAT (Celsius)
1	Arroio do Meio	INI	-29º24’48’’S, -51º55’06’’W	1334	19.9
2	Bom Retiro do Sul	INT	-29º37’07’’S, -51º56’18’’W	1316	19.7
3	Colinas	LAT	-29º23’36’’S, -51º52’39’’W	1334	19.9
4	Colinas	INT	-29º24’05’’S, -51º53’19’’W	1334	19.9
5	Cruzeiro do Sul	INT	-29º31’59’’S, -51º58’57’’W	1315	19.8
6	Encantado	INT	-29º12’54’’S, -51º52’49’’W	1386	19.8
7	Encantado	INI	-29º16’51’’S, -51º52’13’’W	1386	19.8
8	Estrela	INT	-29º32’32’’S, -51º58’27”W	1329	19.8
9	Estrela	INI	-29º32’32’’S, -51º58’48’’W	1329	19.8
10	Lajeado	LAT	-29º25’47’’S, -51º56’32’’W	1329	19.8
11	Lajeado	INI	-29º27’09’’S, -51º55’24’’W	1329	19.8
12	Lajeado	INT	-29º27’47’’S, -51º56’49’’W	1329	19.8
13	Muçum	LAT	-29º07’59”S, -51º50’32’’W	1400	19.8
14	Roca Sales	INI	-29º15’08’’S, -51º51’54’’W	1370	19.8
15	Roca Sales	LAT	-29º14’34’’S, -51º51’31’’W	1370	19.8
16	Roca Sales	LAT	-29º14’53’’S, -51º83’57’’W	1370	19.8
17	Roca Sales	INI	-29º19’44’’S, -51º54’08’’W	1370	19.8
18	Taquari	LAT	-29º49’04’’S, -51º51’34’’W	1330	19.5

Family / Species	ST	INI	INT	LAT	HVAT
Anemiaceae
Anemia phyllitidis (L.) Sw.	t/r	X	X	X	4755
Anemia tomentosa var. anthriscifolia (Schard.) Mickel	t		X		4756
Aspleniaceae
Asplenium brasiliense Raddi	t/r			X	4957
Asplenium inaequilaterale Feé	t/r			X	4773
Asplenium sellowianum C.Presl	t			X	4737
Asplenium ulbrichtii Rosenst.	t/r			X	4759
Blechnaceae
Blechnum auriculatum Cav.	t		X	X	4854
Lomariopsidaceae
Nephrolepis cordifolia (L.) C.Presl	t		X		4734
Polypodiaceae
Campyloneurum nitidum C.Presl	t			X	5052
Microgramma squamulosa (Kaulf.) de la Sota	e/t		X		5047
Microgramma vacciniifolia (Langsd. & Fisch.) Copel.	e/t			X	5046
Pteridaceae
Adiantum digitatum C.Presl	t			X	4726
Adiantum raddianum C.Presl	t/r	X	X	X	4758
Doryopteris concolor (Langsd. & Fisch.) Kuhn & Decken	t/r		X	X	4740
Doryopteris nobilis (T.Moore) C.Chr.	t			X	4958
Doryopteris pentagona Pic.Serm.	t/r	X	X	X	4741
Doryopteris cf. triphylla (Lam.) Christ	t/r			X	4959
Pteris brasiliensis Raddi	t	X		X	4742
Selaginellaceae
Selaginella muscosa Spring	t	X	X	X	4960
Thelypteridaceae
Macrothelypteris torresiana (Gaudich.) Ching	t/r	X		X	4735
Christella hispidula (Decne.) Holttum	t			X	4743
Goniopteris riograndensis (Lindm.) Ching	t	X		X	4731

	*IHM	INI	INT	LAT
INI	0.318	1	0.5	0.538
INT	0.409	0.5	1	0.428
LAT	0.863	0.538	0.428	1

[1] 5Author for correspondence: fbruxel1@universo.univates.br

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Fern and lycophytes of the Taquari River riparian forests at different stages of succession

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