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  "code": "7b.b.6g",
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  "code": "7b.b.6g",
            
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
            
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  "creators": 
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  "creators": 
            
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id\":\"https://orcid.org/0000-0003-4825-4512\",\"affiliation\":\"Royal 
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id\":\"https://orcid.org/0000-0003-4825-4512\",\"affiliation\":\"Royal 
            
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Netherlands Institute for Sea 
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Netherlands Institute for Sea 
            
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gauthor\":true,\"contactemailaddress\":\"carlijn.lammers@nioz.nl\"}]",
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gauthor\":true,\"contactemailaddress\":\"carlijn.lammers@nioz.nl\"}]",
            
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  "deposit_date": "2024-02-12",
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  "deposit_date": "2024-02-12",
            
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  "depositor": "Carlijn Lammers",
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  "depositor": "Carlijn Lammers",
            
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  "distribution_date": "2024-02-12",
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  "distribution_date": "2024-02-12",
            
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
            
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Institute for Sea Research)",
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Institute for Sea Research)",
            
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  "doi_date_published": "2024-04-11",
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  "doi_date_published": "2024-04-11",
            
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  "funding_references": 
            
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  "license_title": "CC0 1.0",
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  "license_title": "CC0 1.0",
            
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  "name": "7bb6g",
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  "name": "7bb6g",
            
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  "notes": "Ecosystem engineers often drive landscape formation and 
35
  "notes": "Ecosystem engineers often drive landscape formation and 
            
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vegetation succession by modifying environmental conditions. Along the 
36
vegetation succession by modifying environmental conditions. Along the 
            
37
Northwestern European coast, dune formation is classically believed to 
37
Northwestern European coast, dune formation is classically believed to 
            
38
be pioneered by sand couch (Elytrigia juncea), followed by the primary 
38
be pioneered by sand couch (Elytrigia juncea), followed by the primary 
            
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foredune builder marram grass (Calamagrostis arenaria, formerly 
39
foredune builder marram grass (Calamagrostis arenaria, formerly 
            
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Ammophila arenaria) once sufficiently large dunes have formed. 
40
Ammophila arenaria) once sufficiently large dunes have formed. 
            
41
However, these ideas lack experimental validation, leaving the 
41
However, these ideas lack experimental validation, leaving the 
            
42
specific relationship between sand couch, the landscape they form, and 
42
specific relationship between sand couch, the landscape they form, and 
            
43
marram grass establishment unknown. Here, we experimentally 
43
marram grass establishment unknown. Here, we experimentally 
            
44
investigated this relationship by planting 975 young marram grass 
44
investigated this relationship by planting 975 young marram grass 
            
45
plants in two sand couch dominated, embryonic dune systems. Using 
45
plants in two sand couch dominated, embryonic dune systems. Using 
            
46
structural equation models, we examined the effect of sand couch and 
46
structural equation models, we examined the effect of sand couch and 
            
47
the landscape attributes (i.e., elevation, distance to sea and 
47
the landscape attributes (i.e., elevation, distance to sea and 
            
48
elevation change) on marram grass establishment. Results reveal 
48
elevation change) on marram grass establishment. Results reveal 
            
49
indirect local inhibition by sand couch via landscape modifications on 
49
indirect local inhibition by sand couch via landscape modifications on 
            
50
survival of establishing marram grass. Specifically, sand couch 
50
survival of establishing marram grass. Specifically, sand couch 
            
51
elevated the environment, and elevated areas in turn eroded more in 
51
elevated the environment, and elevated areas in turn eroded more in 
            
52
winter, which was the key factor reducing marram grass survival. At 
52
winter, which was the key factor reducing marram grass survival. At 
            
53
the landscape scale, however, we observed the highest survival in 
53
the landscape scale, however, we observed the highest survival in 
            
54
relatively stable and sheltered microsites formed because of sand 
54
relatively stable and sheltered microsites formed because of sand 
            
55
couch dune building. While the indirect inhibition by sand couch 
55
couch dune building. While the indirect inhibition by sand couch 
            
56
through elevation was found at both locations, the direct effects of 
56
through elevation was found at both locations, the direct effects of 
            
57
sand couch on survival (i.e., neutral in exposed and positive in 
57
sand couch on survival (i.e., neutral in exposed and positive in 
            
58
sheltered conditions) and shoot formation (i.e., negative in exposed 
58
sheltered conditions) and shoot formation (i.e., negative in exposed 
            
59
and neutral in sheltered conditions) were location and thus context 
59
and neutral in sheltered conditions) were location and thus context 
            
60
dependent. Similar to scale-dependent interactions found in other 
60
dependent. Similar to scale-dependent interactions found in other 
            
61
biogeomorphic landscapes (e.g., salt marshes, seagrass, mussel beds), 
61
biogeomorphic landscapes (e.g., salt marshes, seagrass, mussel beds), 
            
62
we suggest that interspecific facilitation acts on larger spatial 
62
we suggest that interspecific facilitation acts on larger spatial 
            
63
scales rather than the commonly suggested small-scale facilitation 
63
scales rather than the commonly suggested small-scale facilitation 
            
64
through created elevation. More specifically, we suggest that dune 
64
through created elevation. More specifically, we suggest that dune 
            
65
formation by pioneer species leads to the creation of stable and 
65
formation by pioneer species leads to the creation of stable and 
            
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sheltered microsites beneficial for establishment of later 
66
sheltered microsites beneficial for establishment of later 
            
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successional species at the landscape-scale.",
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successional species at the landscape-scale.",
            
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landscapes: pioneer both inhibits and facilitates primary foredune 
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landscapes: pioneer both inhibits and facilitates primary foredune 
            
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builder across spatial scales",
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builder across spatial scales",
            
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