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Figure 1 in Mowing inhibits the invasion of the alien species Solidago altissima and is an effective management strategy

Figure 1. (a) Coverage of S. altissima and (b) the average number of species per quadrat in the S. altissima-dominant areas or uninvaded areas. Data are presented as means ± standard errors of 14 replicates. Bars with different letters are significantly different at p <0.05 (Student's t-test).

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Figure 2 in Mowing inhibits the invasion of the alien species Solidago altissima and is an effective management strategy

Figure 2. Number of shoots of S. altissima in March 2018 and April 2019. Mowing 1: mowed once in July; Mowing 2: mowed twice in May and September; Mowing 3: mowed three times in May, July, and September; Eco 200: 30% of shoots in the quadrats were cut near the ground, and the cut surfaces were covered with Eco 200 block. Data are presented as means ± standard errors of 14 replicates. Bars with different letters are significantly different at p <0.05 (ANOVA with post hoc Tukey's test).

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Figure 1 in Early detection of alien fern species through the consultation of horticultural catalogues

Figure 1. Prevalence of different (a, c) scales and (b, d) modes of trade expressed as proportions of the total number of traders and total number of species recorded per trade country. Treatment of species that were traded both on-ground and via e-commerce is detailed in the methods. Countries of trade: Canada (CA), United States of America (US), the United Kingdom and the Republic of Ireland (UKI), South Africa (ZA), Australia (AU), New Zealand (NZ).

FIG. 2 in Epiphytic bryophytes on alien host-tree species in Wrocław (SW Poland)

FIG. 2. — Comparison of the percentage of incidence of individual bryophyte species on trunks of alien host trees situated in complexes of urban greenery and urban buildings. Key: Species for which statistical significance (p<0.05) was found in preferences to occur more frequently in one of the land-use complexes are marked with an asterisk. Tests were not performed in cases in which one of the components (population in greenery or built-up space) was equal to zero.

FIG. 4 in Epiphytic bryophytes on alien host-tree species in Wrocław (SW Poland)

FIG. 4. — UPGMA phenogramme of the bryofloristic similarity of the phorophytes based on the species total coverage in the plots on the individual tree species. Key: I, II, IIa… groups and subgroups of the bryofloristic similarity; dashed lines show borders among the latter; alien tree species were marked in bold.

FIG. 3 in Epiphytic bryophytes on alien host-tree species in Wrocław (SW Poland)

FIG. 3. — Comparison of the percentage of incidence of the individual bryophyte species on trunks of alien host trees situated in the inner vs. outer city. Key: symbols as in Fig. 2. Tests were not performed in cases in which one of the components (population in inner or outer city) was equal to zero.

FIG. 1 in Epiphytic bryophytes on alien host-tree species in Wrocław (SW Poland)

FIG. 1. — Location of the plots in relation to the spatial structure of Wrocław (based on Urban Atlas 2012, Copernicus Land Monitoring System). Legend: 1, Continuous urban fabric (sealing level> 80%); 2, Discontinuous dense urban fabric (S.L.: 50%-80%); 3, Discontinuous medium and low urban fabric (S.L.: 10%-50%); 4, Industrial and commercial areas; 5, Transport and communication areas; 6, Forests; 7, Green urban areas; 8, Sports and leisure facilities; 9, Agricultural and semi-natural areas; 10, Water bodies; 11, Field measurements; 12, City inner zone (description in text).

Figure 3 in The effectiveness of hot water pressurized spray in field conditions to slow the spread of invasive alien species

Figure 3. (A) Average maximum temperature, (B) Average thermal exposure (area under the curve), of hot water spray applied to Dreissena polymorpha, Dikerogammarus villosus and Crassula helmsii from three distances (10, 20, 30 cm) and for three durations (5, 10, 15 seconds). Error bars show standard error (n = 36).

Figure 2 in The effectiveness of hot water pressurized spray in field conditions to slow the spread of invasive alien species

Figure 2. Average temperature of hot water spray treatment applied to Dreissena polymorpha, Dikerogammarus villosus and Crassula helmsii from three distances (10, 20, 30 cm) and for three durations (5, 10, 15 seconds) and control cold water treatment (from 10 cm for 15 seconds). Grey shading shows standard error of average (n = 36).

Figure 1 in The effectiveness of hot water pressurized spray in field conditions to slow the spread of invasive alien species

Figure 1. Photographs of four invasive alien species utilised in hot water spray effectiveness experiments; a. Dikerogammarus villosus, b. Dreissena polymorpha, c. Crassula helmsii, d. Hydrocotyle ranunculoides. Photographs by Chris Pollock (a, b, c) and Stephanie Bradbeer (d).

Figure 4 in The effectiveness of hot water pressurized spray in field conditions to slow the spread of invasive alien species

Figure 4. (A) Average maximum temperature, (B) Average thermal exposure (area under the curve), of hot water spray applied to Crassula helmsii from two distances (10 and 30 cm) for three durations (30, 60, 90 seconds). Error bars show standard error (n = 12), * show statistical significance and letters show treatments statistically the same to another.

Fig. 7 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii

Fig. 7. Dynamics of relative predation (% from existed number of live whitebaits) for all model populations of B. bombina.

Fig. 1 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii

Fig. 1. Overlapping areas of B. bombina and P. glenii distribution in Latvia (Pupina et al. In press).

Fig. 9 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii

Fig. 9. Scheme of the reciprocal predation between B. bombina and its invasive threat P. glenii registered in the study.

Fig. 5 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii

Fig. 5. Number of left live, predated, and died/ killed P. glenii in all experimental groups in total after the experiment.

Fig. 3 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii

Fig. 3. Dynamics of number of live, predated, and died/killed P. glenii in different B. bombina model populations (Bb-1, Bb-2, Bb-3, and Bb-4).

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Fig. 4 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions

Fig. 4. Annual pioneer vegetation with Corispermum pallasii on dune habitats in Mērsrags, Latvia (Photo: P. Evarts-Bunders).

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Fig. 1 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions

Fig. 1. Locations of transects in coastal habitats in the whole seashore of Latvia (Explanation of transects numbers see Table 1).

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Fig. 3 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions

Fig. 3. Distribution of Corispermum intermedium Schweigg (left) and C. pallasiii Steven (right) in Latvia (1st row – localities known till 1940; 2nd row – localities known 1940 – 1990; 3rd row - localities known or verified since 1990).