As of December 2016, slender false brome has been located in just a few locations in New York, the Bergen Swamp in Genesee County, several areas near Ithaca in Tompkins County, a site in Onondaga County, and one site in Dutchess County near Wappingers Falls (see iMap Invasive Species Database (leaves DEC website).) However, because this plant is so non-distinct it has likely been undetected or misidentified in Western and Central New York for years. It thrives in many terrestrial and semi-wet environments including the shade of forest floors, pastures, and fields at various elevations.

Slender false brome has spread rapidly throughout portions of western Oregon and the Pacific Northwest. It is important to know if you may be in an area with slender false brome, but it is also good practice to brush off boots and clothing before leaving any trail or natural area.


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The seeds of slender false brome can be spread easily by attaching to shoes, clothing, and vehicles. In addition, mud and soil can contain seeds and can be transported in mud trapped in boot or bike tread. Wildlife, especially birds and small mammals can move seeds. Seeds are often dispersed long distances by logging activities, roadside maintenance, and recreational activities. If seeds are transported to a different area, a new infestation could occur.

Prevention is always the best option. Since this species is spread by seed, cleaning boots, equipment, and machinery can help prevent further establishment. Small patches of slender false brome can be dug up in April and May, taking extra care to remove the whole root system. Mowing in June will prevent the plant from producing seeds. For larger infestations, non-selective or grass specific herbicides can be effective in some environments. In New York, slender false brome is a prohibited invasive species under regulation 6 NYCRR Part 575, which means it cannot be bought, sold or introduced into the wild.

Slender Orcutt grass is an annual plant with three distinct life stages. Each rainy season, seeds from previous years sprouts and begin to grow underwater between November and January as the rains fill vernal pools. During the aquatic stage, slender Orcutt grass can be very difficult to find. As the pools dry, plants enter their terrestrial life stage. At this time, the grass can be seen within the vernal pool bottom through September. The grass blooms in the terrestrial life stage in May in the Sacramento Valley and June to July in the Modoc Plateau. The grass is thought to be wind pollinated like other Orcutt grasses for seed development. The seeds usually form after pollination in May through September and fall close to the plant upon maturity. Plants die after the seeds mature, and seeds do not travel far from the parent plant. Seeds are the final life stage of slender Orcutt grass, and the seeds may remain dormant in the soil for several years until there is enough water in the vernal pools for the seeds to sprout.

Slender-petaled thelypodium is a California endangered plant species, which means that killing or possessing plants is prohibited by the California Endangered Species Act (CESA). Slender-petaled thelypodium is also listed as endangered under the federal Endangered Species Act(opens in new tab). Slender-petaled thelypodium is a slender plant in the mustard familywith purple-tinted leaves and lavender to white flowers that typically bloomfrom May to September. It is typically considered a biennial species, meaningit has a two-year life cycle, but it may act as an annual during drought years

The primary threats to slender-petaled thelypodium are urban development, altered hydrology, and climate change. Development likely caused many of the historic occurrences of slender-petaled thelypodium to go extinct and remains a threat because most occurrences are on privately-owned land. Moist meadow plant communities are likely groundwater dependent, becoming precipitation dependent after the groundwater level drops below the rooting zone of the plants. Slender-petaled thelypodium depends on a very specific hydrological habitat, and development within and surrounding this habitat causes changes to soil hydrology and depletion of groundwater, which can impact the species. Climate change may exacerbate changes in hydrology due to warmer temperatures and a shift in the timing and nature of precipitation. Off-highway vehicle use has also contributed to the extinction of occurrences in the past and continues to threaten existing populations. Additional threats to slender-petaled thelypodium include encroachment of non-native plants, grazing activities, recreation, fire management activities, and extinction from a random event.

In order to ensure the continued existence of slender-petaled thelypodium, agencies should work with landowners to protect occurrences and identify conservation opportunities on private land. Surveys should be conducted to verify the existence and health of reported occurrences. A monitoring for adaptive management program for all remaining populations should be implemented to identify threats to the population and to ensure that the populations are being managed properly. Research into the life history and specific habitat requirements of slender-petaled thelypodium should be conducted. Seed banking should also be conducted to facilitate possible future reintroduction experiments.

One of the remaining populations of slender-petaled thelypodium occurs at Baldwin Lake Ecological Reserve, managed by the California Department of Fish and Wildlife (CDFW). CDFW has implemented a monitoring for adaptive management plan for this population. More information is available in the Baldwin Lake Ecological Reserve Slender-Petaled Thelypodium Monitoring Plan with 2015-2017 Results & Discussion (PDF), dated September 2018.

You never see it coming: Built for stealth, the slender-snouted crocodile is an effective aquatic predator. With coloration that varies from brown to a grayish green, sometimes with black splotches, this crocodile is perfectly hidden in its watery home. Even its underside, with its creamy yellow color, makes it hard for potential prey swimming below the croc to see it coming.

Rows of protective scales running down its neck and back also set the slender-snouted crocodile apart from other crocodilians. Most crocs just have two rows of the scales; this croc has three, or often four.

In addition to fish, the slender-snouted crocodile might also eat small aquatic invertebrates, such as shrimp or crabs, as well as frogs and snakes. And, like other crocodiles, the slender-snouted croc often takes advantage of an opportunity to eat larger prey that come to the water to drink.

Are you my mother? The adult slender-snouted crocodile is solitary for most of the year, except in February and March when searching for a mate. In April, an expectant mother crocodile builds a nest made of wet forest vegetation on the riverbank, where her hatchlings will be protected. As the vegetation decays, it heats up the nest like a compost pile and helps keep the eggs warm. The adult female is generally considered to be a very good mother to her offspring; as her eggs incubate, she is never far away from the nest.

The population of slender-snouted crocs is dwindling, mostly due to hunting for their meat and skin to make leather products such as shoes, belts, purses, and more. The endangered crocs are also losing more of their habitat as people move into their areas, and the increase of humans fishing for the same food that the crocs eat has caused problems for the crocs as well. Because we still know so little about these crocs, more studies need to be done to learn what can be done to help them.

Introduction

The Channel Island slender salamander is found on Santa Cruz, San Miguel, Santa Rosa, and Anacapa islands and is the only endemic amphibian found on any of the California islands. This secretive creature is found under rocks and logs (mainly near streams) and also in the soil litter, or duff, during the winter and spring rainy season.

Appearance

The Channel Islands slender salamander is a small slim salamander with 18-20 costal grooves, which denote its rib connections. It has short limbs, a narrow head, long slender body, very long tail, and with its conspicuous costal and end of torso grooves, this species has the worm-like appearance typical of most slender salamanders. There are four toes on the front and hind feet, which is also typical of slender salamanders. Fairly robust for a slender salamander, with relatively long legs. Its coloration is brown to pinkish above with a wide dorsal stripe with indefinite borders, and may be made up of many light speckles. The throat and underside of the tail are pale and the abdomen area is whitish or slate, with light and dark speckling.

Range

The Channel Islands slender salamander is an endemic species found only on the Channel Islands, although not on Santa Barbara Island. Interestingly, Channel Islands slender salamanders share their habitat on Santa Cruz Island with another similar species, the black-bellied slender salamanders without interbreeding. In one February survey, researchers recorded 155 Channel Islands slender salamanders and 152 black-bellied slender salamanders in similar habitat. However, only Channel Islands slender salamanders were found under driftwood on a sandy substrate near the ocean. In general, when only one species is found at a more open site, it is usually Channel Islands slender salamanders.

Habitat

Channel Islands slender salamanders occur in grassland, coastal sage scrub, chaparral, riparian, oak woodlands, and pine forest communities. They have been found under rocks and logs, especially near streams. Dense populations have been found in open areas near the ocean; in February at the west end of Santa Cruz Island, salamanders were abundant under driftwood on sand within 200 feet of the ocean. Periods of surface activity correspond generally to the rainy season, especially in drier inland valleys (e.g., Santa Cruz Island). However, the moderating influence of cool, marine air, combined with daily fog, extends activity throughout the summer. ff782bc1db

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