Botanical Gardens and the Global Challenge of Invasive Species

2021 ◽  
pp. 43-56
Author(s):  
David Allan Galbraith ◽  
Nadia Cavallin
Keyword(s):  
Invasive Species ◽  
Botanical Gardens ◽  
Global Challenge

Cecropia peltata (trumpet tree).

2021 ◽  
Author(s):  
Nick Pasiecznik
Keyword(s):  
Invasive Species ◽  
Pioneer Species ◽  
Native Range ◽  
Coffee Plantations ◽  
Shade Tree ◽  
Botanical Gardens ◽  
Forest Clearance

Abstract C. peltata is an important pioneer species in its native range Americas following forest clearance. It has also been introduced into coffee plantations as a shade tree and into botanical gardens in Africa. However, its presence on the ISSG list of the 100 worst invasive species (ISSG, 2003) means that its notoriety as an invasive species may limit further introductions.

scholarly journals Angiopteris evecta (king fern).

2020 ◽  
Author(s):  
Julissa Rojas-Sandoval
Keyword(s):  
Invasive Species ◽  
Costa Rica ◽  
Natural Ecosystems ◽  
Botanical Gardens

Abstract Angiopteris evecta is often cultivated as an ornamental in gardens, parks, and botanical gardens for its large rhizomes and gigantic fronds. It has repeatedly escaped from cultivation and has the potential to easily colonize new ecosystems. It is currently listed as invasive in Hawaii, Jamaica and Costa Rica where it can be found naturalized and spreading mostly in wet valleys and on slopes in montane and lowland rainforests. In Cuba it is considered an invasive species with the potential to "transform" natural ecosystems.

scholarly journals Advancing global monitoring of ship borne invasive species through streamlined metabarcoding.

2018 ◽  
Author(s):  
Paul Czechowski ◽  
Erin Grey-Avis ◽  
David M Lodge
Keyword(s):  
Invasive Species ◽  
Network Models ◽  
Policy Decision ◽  
Environmental Dna ◽  
Passive Movement ◽  
Biological Data ◽  
Long Beach ◽  
Ship Traffic ◽  
Global Challenge ◽  
Dna Sampling

The unintentional transport of invasive species through the global shipping network causes substantial losses to social and economic welfare. Addressing this global challenge requires identification of potentially harmful species, and confirmation of their movement along highly frequented shipping routes. As we have previously shown, properly calibrated network models are able to describe passive movement of invasive species around the world. These models can be substantially improved when suitable in-situ biological data is becoming available, now possible by sequencing of environmental DNA (eDNA) from port waters. Here we report a simple and scalable approach to generate metabarcoding data of 18S ribosomal and other eDNA collected in four major US ports. Between Long Beach, Houston, Miami, Baltimore and a multitude of Chinese ports, ships travel both frequently or infrequently while linking to different ecosystems of East Asia. By controlling for ecoregions and ship traffic, we will shortly be able to estimate ship-borne invasive species spread between the two largest global economies, USA and China. With further port DNA sampling and network model refinements, we will also soon be able to provide global assessments of ship-borne invasive species spread to inform management and policy decision makers.

scholarly journals Noronhia emarginata (Madagascar olive).

2020 ◽  
Author(s):  
Manuel Angel Duenas-Lopez
Keyword(s):  
Risk Assessment ◽  
Invasive Species ◽  
High Tolerance ◽  
Natural Areas ◽  
Tropical Regions ◽  
Botanical Gardens ◽  
Weed Risk Assessment ◽  
Ornamental Tree ◽  
Evergreen Tree ◽  
Slow Growing

Abstract Noronhia emarginata is a slow-growing evergreen tree native to Madagascar. The species has been introduced to several tropical and subtropical countries as an ornamental. It is widely but sporadically cultivated in tropical regions, primarily as an ornamental tree, and sometimes grown in various tropical botanical gardens. A very tough tree with a high tolerance for salt and wind, N. emarginata is well suited to coastal and seaside locations. The species has been recorded as invasive in Hawaii, but further evaluation was required based on the weed risk assessment. It is considered a highly invasive species in Bermuda, but no details on its impact are available. The species is not considered to be a weed which causes disturbance in gardens, nor does it impact any agricultural, forestry or horticultural activities. The species has not been documented in any undisturbed natural areas in Florida.

scholarly journals Advancing global monitoring of ship borne invasive species through streamlined metabarcoding.

2018 ◽  
Author(s):  
Paul Czechowski ◽  
Erin Grey-Avis ◽  
David M Lodge
Keyword(s):  
Invasive Species ◽  
Network Models ◽  
Policy Decision ◽  
Environmental Dna ◽  
Passive Movement ◽  
Biological Data ◽  
Long Beach ◽  
Ship Traffic ◽  
Global Challenge ◽  
Dna Sampling

The unintentional transport of invasive species through the global shipping network causes substantial losses to social and economic welfare. Addressing this global challenge requires identification of potentially harmful species, and confirmation of their movement along highly frequented shipping routes. As we have previously shown, properly calibrated network models are able to describe passive movement of invasive species around the world. These models can be substantially improved when suitable in-situ biological data is becoming available, now possible by sequencing of environmental DNA (eDNA) from port waters. Here we report a simple and scalable approach to generate metabarcoding data of 18S ribosomal and other eDNA collected in four major US ports. Between Long Beach, Houston, Miami, Baltimore and a multitude of Chinese ports, ships travel both frequently or infrequently while linking to different ecosystems of East Asia. By controlling for ecoregions and ship traffic, we will shortly be able to estimate ship-borne invasive species spread between the two largest global economies, USA and China. With further port DNA sampling and network model refinements, we will also soon be able to provide global assessments of ship-borne invasive species spread to inform management and policy decision makers.

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